Name ______Date______Period______

Test 4Review–Functions (will also include spiraling questions from Tests 1,2,3 and Solving for y)

Are the following functions? Circle YES or NO. Tell why or why not.

x / y
-3 / 6
2 / 8
5 / 6
4 / 24
7 / 6
x / 1 / 3 / 1 / 5
y / 6 / 8 / -6 / 13

Circle discrete or continuous. State the domain and range of each of the following.

Input / -3 / 2 / 5 / 4 / 3
Output / 0 / 0 / 11 / 0 / 6

Use the graph to answer the questions 12-17.

12. Show the domain of the data on the graph.

______

13. Show the range of the data on the graph.

______

14. Complete the following by circling the appropriate response.

The time/heightdepends on the time/height.

15. What is the value of f(2)?

16. Fill in the blanks to describe the kite’s path that is represented in the graph.

Johnny tried to fly his kite. After minutes Johnny’s kite got caught in a tree feet above the ground. He and his friends tossed a ball up in the tree to get it down. It was stuck in the tree for minutes. The kite fell to the ground in minute(s). In only more minute(s) Johnny’s kite reached a height of 35 feet.

17. Based on the graph, how long would it take to reach 10 ft.?______

18. For f(x) = -3x + 14, find f(x) when x = -5.

19. For f(x) = 4x2 - 3x + 2, find f(x) when x = -2.

20. What isthe definition of a function? ______

______

21. Tony rented a motor scooter on his family vacation to Hawaii. The cost per hour was $25.

a. Which of the following is the dependent variable?

  1. The number of hours he rented the scooter
  2. Any deposit Tony had to pay
  3. The total cost to rent the motorcycle
  4. The hourly rate

b. Describe the independent variable in the situation ______

c. Does this represent a positive, negative, or no relationship?

22. List all the vocabulary words that can be used to describe the input and output.

Input / Output

23. Draw a graph of each of the following types of correlations.

PositiveNegativeNo Correlation

24. Use the following situation to draw a graph below:

  • Amy let her kite reach 45 feet from the ground in 3 minutes.
  • Amy kept her kite at the same height for 4 minutes.
  • Amy's kite dropped to 30 feet in 2 minutes.
  • In 5 minutes, the kite reached 40 feet.
  • For 5 minutes, Amy kept her height the same.
  • The wind stopped blowing and Amy’s kite fell to the ground in 1 minute.

25.

Days missed / 0 / 2 / 3 / 5 / 8 / 9
Test Grade / 100 / 92 / 87 / 76 / 68 / 54

Graph:

Independent Variable:______

Dependent Variable: ______

Domain : ______

Range: ______

26. If f(x)=- 3x + 4

a) what is the value of f(4)?______

b) if f(x)= -8, then what is the value of x?

27.

Answer the following questions based on the given sequence.

-3, 1, 5, 9, ...Is it arithmetic? YES/NO (circle one)

Find the common difference. _____

Find the next 3 terms using the table to the

right.

28. Answer the following questions based on the given sequence.

21, 19, 17, 15,.. Is it arithmetic? YES/NO (circle one)

Find the common difference. _____

Find the next 3 terms using the table to the

right.

**You will also need to study/review Tests 0 (Prerequisite Quiz), 1,2,3 and your Solving for y Worksheet. There will be approximately 12 questions on Test 5 covering each of these!