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Unit 3 Test 1B: Relations and Functions
By Teerani Sutthiphansakul
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Last updated about 3 years ago
10 questions
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1
1
1
3
4
2
3
2
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3
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
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Question 6
6.
If f\left(x\right)=x^2-10x+4, find f\left(-2\right).
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Question 7
7.
OPTIONAL:
If f(x)=5x-3, if f(x)=-48 find x.
Question 8
8.
Identify the zero(s) of the function bellow by plotting or naming points.
Question 9
9.
Question 10
10.
BONUS: Sketch graphs to represent the following situations:
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1.
What is the domain of the relation below? (Hint: the domain is the set of x-values)
A.
{-1, 0, 1, 3}
B.
{-2, 0, 1, 3}
C.
{-2, -1, 0, 1, 2, 3}
D.
{0, 1, 2, 3}
2.
What is the range of the relation below?
A.
-1\le y\le4
B.
-3\le y\le2
C.
-1\le y\le4
D.
-3\le y\le2
3. What is the range of the relation below?
A.
x
< 3
B.
y
< 4
C.
x
≤ 6
D.
y
≤ 6
6. Which relations represent a function? Place a checkmark in the box for all that apply.
{(-2, 0), (4, 1), (-2, 6), (4, -3)}
Match each equation with the table of ordered pairs. Write the letter of the table in the box.
x=5
y=x
Which is a zero of the function
f
(
x
) = 5
x
– 10?
-10
-20
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