Precalculus - Functions Readiness

Posljednje ažuriranje 9 months ago

29

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Precalculus - Functions Readiness

Posljednje ažuriranje 9 months ago

29

Graph with x and y axes, showing points at coordinates (-2, 0), (0, 2), (1, -1), (2, 0), and (3, -2).

1

The function $c = 100 + 0.30m$ represents the cost c (in dollars) of renting a car after driving $m$ miles.

1

Choose the correct transformation for the graph. Let $f(x) = |x|$ and $g(x) = |x + 3|$

Graph of an absolute value function with a vertex at (0, -4).

Graph of an absolute value function with a vertex at (0, 6).

Graph of an absolute value function with a vertex at (0, 0).

Graph of an absolute value function with a vertex at (-3, 0).

1

Choose the correct statement
x
y
0
-8
2
-3
4
3
9
7

The relation is not a function because it does not have a constant rate.

The relation is a function because it has a constant rate. As x is increasing by 2, y is increasing by 4

The relation is not a function because the input repeats

The relation is a function because each input has a different output.

Choose all relations that are functions.
a.b.c.d.

A

B

C

D

Choose all functions that are linear
a.b.c.d.

A

B

C

D

Choose the correct statement that corresponds the graph shown.

The Domain is discrete because the function is a set of input values of only certain numbers. The domain for this function: {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6}.

The Domain is continuous because the function is a set of input values that consists of all numbers. The domain for this function: -3 < x < 5.

The Domain is continuous because the function is a set of input values that consists of all numbers. The domain for this function: -70 < x < 150.

The Domain is discrete because the function is a set of input values of only certain numbers. The domain for this function: {-70, -60, -50, -40, -30, -20, -10, 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150}.

1

Choose the correct slope for the table given.
x
1
-4
-3
2
y
3
3
3
3

x	1	-4	-3	2
y	3	3	3	3

$m = 0$

$m =$ undefined

$m = 5$

no slope

1

Choose the correct slope for the table given.
x
1
3
7
-1
y
-1
2
8
-4

x	1	3	7	-1
y	-1	2	8	-4

$m = \frac{2}{3}$

$m =$ undefined

$m = \frac{3}{2}$

no slope

The function $c = 100 + 0.30m$ represents the cost c (in dollars) of renting a car after driving $m$ miles.

1

Choose the Independent Variable.

C, cost in dollars of renting a car

M, miles

100 miles

There is no independent variable

1

Choose the dependent Variable.

C, cost in dollars of renting a car

M, miles

100 miles

There is no independent variable

1

Choose the correct Domain & Range

Domain: $x \ge 0$ Range: $y \ge 100$

Domain: $\{0, 1, 2, 3, 4\}$ Range: $\{100, 100.3, 100.6, 100.9, 101.2\}$

Domain: $y \ge 100$ Range: $x \ge 0$

Domain: $x \ge 1$ Range: $y \ge 100$

1

Choose the correct slope $y = -x + 3$

$m = 1$

$m = -1$

$m = 3$

$m =$ undefined

1

Choose the correct x-intercept $y = -x + 3$

(0, 3)

(3, 0)

(0, -3)

(-3, 0)

Choose the correct statement

The Domain is discrete because the function is a set of input values of only certain numbers. The domain for this function: { -1, 0, 2, 4 }.

The Domain is continuous because the function is a set of input values that consists of all numbers. The domain for this function: -1 ≤ x ≤ 4.

The Domain is continuous because the function is a set of input values that consists of all numbers. The domain for this function: -2 ≤ x ≤ 3.

The Domain is discrete because the function is a set of input values of only certain numbers. The domain for this function: { -2, -1, 3 }.

Choose the correct solution when Evaluated the function when x = -3 $f(x) = \frac{1}{2}x - 1$

-2.5

0.5

-4

None of these

Find the value of x when evaluated the function when f(x) = -2 $f(x) = 3 - x$

x = -5

x = 5

x = -2

none of these

Find the value of x when evaluated the function when f(x) = ½ $f(x) = 2x - 4$

x = -3

x = 5

x = 2.25

none of these

Choose the correct x-intercept. $2x - 3y = -10$

(10/3, 0)

(0, -5)

(0, 10/3)

(-5, 0)

Choose the correct y-intercept. $2x - 3y = -10$

(-5, 0)

(0, -5)

(0, 10/3)

(10/3, 0)

Choose the correct slope for the table given.
x
1
-4
-3
2
y
3
3
3
3

x	1	-4	-3	2
y	3	3	3	3

$m = 0$

$m =$ undefined

$m = 5$

no slope

Choose the correct slope for the table given.
x
1
3
7
-1
y
-1
2
8
-4

x	1	3	7	-1
y	-1	2	8	-4

$m = \frac{2}{3}$

$m =$ undefined

$m = \frac{3}{2}$

no slope

Choose the Independent Variable.

C, cost in dollars of renting a car

M, miles

100 miles

There is no independent variable

Choose the dependent Variable.

C, cost in dollars of renting a car

M, miles

100 miles

There is no independent variable

Choose the correct Domain & Range

Domain: $x \ge 0$ Range: $y \ge 100$

Domain: $\{0, 1, 2, 3, 4\}$ Range: $\{100, 100.3, 100.6, 100.9, 101.2\}$

Domain: $y \ge 100$ Range: $x \ge 0$

Domain: $x \ge 1$ Range: $y \ge 100$

Choose the correct slope $y = -x + 3$

$m = 1$

$m = -1$

$m = 3$

$m =$ undefined

Choose the correct x-intercept $y = -x + 3$

(0, 3)

(3, 0)

(0, -3)

(-3, 0)

Choose the Y-intercept $y = -x + 3$

(0, 3)

(3, 0)

(0, -3)

(-3, 0)

Choose the correct slope $3y + 4 = -10$

m = 3

m = 0

m = -14/3

m = undefined

Choose the correct x-intercept $3y + 4 = -10$

(-\frac{14}{3}, 0)

(0, -\frac{14}{3})

No x intercept

(-3, 0)

Choose the Y-intercept $3y + 4 = -10$

(-14/3, 0)

(0, -14/3,)

No y intercept

(-3, 0)

Use the graph shown. Find $f(x) = 7$

x = 1

x = 2

x = 0

x = 5

Choose the correct slope of the given line.

m = -\frac{3}{4}

m = \frac{3}{4}

m = 0

undefined

Choose the correct transformation for the graph.
Let $f(x) = |x|$ and $g(x) = -|x| - 3$

Graph showing a V-shaped line centered at x=2 and yz negative.

Graph showing a V-shaped function centered at x=3, yz positive.

Graph depicting a V-shaped line centered near x=-4 with yz positive.

Graph showing a V-shaped line centered near x=0 with yz negative.

For number 26 & 27 Let $f(t)$ be the outside temperature (°F) $t$ hours after 6 am. Choose the correct meaning of the statement.

26. $f(4) = 100$

At 10 am it's 100° F out.

At 100 am it's 4° F out.

At 6 am it's 100° F out.

None of these statements are correct.

27. $f(n) = 120$

At 6 am it's 120° F out.

At $n$ hours after 6 am it's 120° F out.

At 120 hours after 6 am it's $n$° F out.

None of these statements are correct.

Choose the correct transformation from the graph of $f$ to the graph of $g$.

$f(x) = |x|$, $g(x) = |x| + 5$

Vertical up 5 units

Horizontal left 5 units

Horizontal up 5 units

None

Choose the correct transformation from the graph of $f$ to the graph of $g$.

$f(x) = |x|$, $g(x) = |x - 3|$

Horizontal left 3 units

Horizontal right 3 units

Vertical down 3 units

None

Precalculus - Functions Readiness

Precalculus - Functions Readiness

Choose the correct statementxy0-82-34397

Choose all relations that are functions.a.b.c.d.

Choose all functions that are lineara.b.c.d.

Choose the correct statement that corresponds the graph shown.

Choose the correct transformation for the graph. Let $f(x) = |x|$ and $g(x) = |x + 3|$

Choose the correct statementxy0-82-34397

Choose all relations that are functions.a.b.c.d.

Choose all functions that are lineara.b.c.d.

Choose the correct statement that corresponds the graph shown.

Choose the correct statement

Choose the correct solution when Evaluated the function when x = -3 $f(x) = \frac{1}{2}x - 1$

Find the value of x when evaluated the function when f(x) = -2 $f(x) = 3 - x$

Find the value of x when evaluated the function when f(x) = ½ $f(x) = 2x - 4$

Choose the correct x-intercept. $2x - 3y = -10$

Choose the correct y-intercept. $2x - 3y = -10$

Choose the correct slope for the table given.x1-4-32y3333

Choose the correct slope for the table given.x137-1y-128-4

Choose the Independent Variable.

Choose the dependent Variable.

Choose the correct Domain & Range

Choose the correct slope $y = -x + 3$

Choose the correct x-intercept $y = -x + 3$

Choose the Y-intercept $y = -x + 3$

Choose the correct slope $3y + 4 = -10$

Choose the correct x-intercept $3y + 4 = -10$

Choose the Y-intercept $3y + 4 = -10$

Use the graph shown. Find $f(x) = 7$

Choose the correct slope of the given line.

Choose the correct transformation for the graph.Let $f(x) = |x|$ and $g(x) = -|x| - 3$

Choose the correct transformation for the graph. Let $f(x) = |x|$ and $g(x) = |x + 3|$

For number 26 & 27 Let $f(t)$ be the outside temperature (°F) $t$ hours after 6 am. Choose the correct meaning of the statement. 26. $f(4) = 100$

27. $f(n) = 120$

Choose the correct transformation from the graph of $f$ to the graph of $g$. $f(x) = |x|$, $g(x) = |x| + 5$

Choose the correct transformation from the graph of $f$ to the graph of $g$. $f(x) = |x|$, $g(x) = |x - 3|$

Choose the correct statement

Choose the correct solution when Evaluated the function when x = -3 $f(x) = \frac{1}{2}x - 1$

Find the value of x when evaluated the function when f(x) = -2 $f(x) = 3 - x$

Find the value of x when evaluated the function when f(x) = ½ $f(x) = 2x - 4$

Choose the correct x-intercept. $2x - 3y = -10$

Choose the correct y-intercept. $2x - 3y = -10$

Choose the correct slope for the table given.x1-4-32y3333

Choose the correct slope for the table given.x137-1y-128-4

Choose the Independent Variable.

Choose the dependent Variable.

Choose the correct Domain & Range

Choose the correct slope $y = -x + 3$

Choose the correct x-intercept $y = -x + 3$

Choose the Y-intercept $y = -x + 3$

Choose the correct slope $3y + 4 = -10$

Choose the correct x-intercept $3y + 4 = -10$

Choose the Y-intercept $3y + 4 = -10$

Use the graph shown. Find $f(x) = 7$

Choose the correct slope of the given line.

Choose the correct transformation for the graph.Let $f(x) = |x|$ and $g(x) = -|x| - 3$

For number 26 & 27 Let $f(t)$ be the outside temperature (°F) $t$ hours after 6 am. Choose the correct meaning of the statement. 26. $f(4) = 100$

27. $f(n) = 120$

Choose the correct transformation from the graph of $f$ to the graph of $g$. $f(x) = |x|$, $g(x) = |x| + 5$

Choose the correct transformation from the graph of $f$ to the graph of $g$. $f(x) = |x|$, $g(x) = |x - 3|$

Choose the correct statement
x
y
0
-8
2
-3
4
3
9
7

Choose all relations that are functions.
a.b.c.d.

Choose all functions that are linear
a.b.c.d.

Choose the correct statement
x
y
0
-8
2
-3
4
3
9
7

Choose all relations that are functions.
a.b.c.d.

Choose all functions that are linear
a.b.c.d.

Choose the correct slope for the table given.
x
1
-4
-3
2
y
3
3
3
3

Choose the correct slope for the table given.
x
1
3
7
-1
y
-1
2
8
-4

Choose the correct transformation for the graph.
Let $f(x) = |x|$ and $g(x) = -|x| - 3$

For number 26 & 27 Let $f(t)$ be the outside temperature (°F) $t$ hours after 6 am. Choose the correct meaning of the statement.

26. $f(4) = 100$

Choose the correct transformation from the graph of $f$ to the graph of $g$.

$f(x) = |x|$, $g(x) = |x| + 5$

Choose the correct transformation from the graph of $f$ to the graph of $g$.

$f(x) = |x|$, $g(x) = |x - 3|$

Choose the correct slope for the table given.
x
1
-4
-3
2
y
3
3
3
3

Choose the correct slope for the table given.
x
1
3
7
-1
y
-1
2
8
-4

Choose the correct transformation for the graph.
Let $f(x) = |x|$ and $g(x) = -|x| - 3$

For number 26 & 27 Let $f(t)$ be the outside temperature (°F) $t$ hours after 6 am. Choose the correct meaning of the statement.

26. $f(4) = 100$

Choose the correct transformation from the graph of $f$ to the graph of $g$.

$f(x) = |x|$, $g(x) = |x| + 5$

Choose the correct transformation from the graph of $f$ to the graph of $g$.

$f(x) = |x|$, $g(x) = |x - 3|$