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Unit 3 Test - Functions!

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Last updated over 3 years ago
21 questions
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Question 1
1.

By submitting this assessment, I am affirming that I have not given or received any unauthorized help on this assignment, and that this work is my own.

Question 2
2.

Show your work!
Identify the range:

y - 2x = 1, domain: {x : -3 < x < 3}

Question 3
3.

Identify the domain. Write your answers in set builder notation.

Question 4
4.

Identify the range. Write your answers in set builder notation.

Question 5
5.

Look at the relation shown in the table. Identify one element that could replace the missing value (?) and create a relation that is not a function.

Question 6
6.

Tell whether the function represented by the table is discrete or continuous. Explain your choice.

Question 7
7.

Show your work!
Identify the x-intercept. Write your answer as an ordered pair.

Question 8
8.

Show your work!
Identify the y-intercept. Write your answer as an ordered pair.

Question 9
9.

Show your work!
Identify the x-intercept. Write your answer as an ordered pair.

Question 10
10.

Show your work!
Identify the y-intercept. Write your answer as an ordered pair.

Question 11
11.

Show your work!
You make and sell decorative bowls. You sell small bowls (x) for $30 and large bowls (y) for $50. You want to earn $600 per week. The equation for this situation is below. Find the x-intercept of the equation (can be an ordered pair or just the number).

Question 12
12.

Explain what the x-intercept means in number 11. Relate your answer to the situation given in the problem.

Question 13
13.

Show your work!
Evaluate the function.

Find f(-2).

Question 14
14.

Show your work!
Evaluate the function.

Find x so that p(x) = 1

Question 15
15.

Show your work!
Find the zero of the function.


Question 16
16.

Using the following graph, identify the zero of the function:

Question 17
17.

Using the following graph, identify f(5):

Question 18
18.

Using the following graph, identify x so that f(x)=1:

Question 19
19.

Using the following graph, identify the x-intercept: (As an ordered pair!)

Question 20
20.

Using the following graph, identify the y-intercept: (As an ordered pair!)

Question 21
21.

Show your work!
Rewrite the following equation in function form (y=...) with simplified fraction terms.