Algebra 1 Functions Quiz



Math 1: Unit 3 Functions Review Homework Worksheet Name: _____________________________

1. Given:[pic]

a. Find f(-3)

b. Find f(2)

c. Find f(-1) + 11

d. Find 3f(4)

2. Deja is selling raffle tickets at the football game. The graph of f(x) below represents her profit for the number of tickets sold.

2a. Find Deja’s breakeven point. __________________

2b. Find and interpret

y-intercept ______________________________

f(30) ______________________________

f(70) ______________________________

f(x) = 75 ______________________________

f(x) = 150 ______________________________

2c. What is the average rate of change from selling 40 tickets to selling 60 tickets?

|$1.50 per Taco |$2.00 per Burrito |Total |

| | |$18 |

| | | |

3. Carter orders tacos and burritos at a local Mexican restaurant. The restaurant charges $1.50 per taco and $2.00 per burrito. Carter spends exactly $18 on food. Use the table provided to help list all the different combinations of tacos and/or burritos that Carter might order with his $18.

4. Kari was playing basketball and scored 30 points in the game only making 2 point shots and 3 point shots.

4a. Use the table provided to list all the different ways that Kari can score 30 points by scoring only 2 points or 3 points per shot.

2 pt Shots (x) | | | | | | | | |3 pt Shots (y) | | | | | | | | |4b. What is the practical domain for 2-pt shots?

4c. What is the practical range for 3-pt shots?

5. Mark earns $14 an hour. Each week he works between 8 and 17 hours.

5a. Find a practical domain for hours worked in a week.

5b. Find a practical range for weekly income.

5c. Write an equation in function notation to represent the amount of money Mark earns per hour.

6. Let A(x) represent Amy’s savings in hundreds per week and B(x) represent Brandon’s savings in hundreds per week.

6a. When will Amy and Brandon have saved the same

amount?

________________________________

6b. How much will they have saved?

________________________________

6c. Who is saving more each week? Why?

6d. When will Brandon have saved $500?

________________________________

6e. How much will Amy have after 3 weeks?

________________________________

6f. Did Amy or Brandon already have more money before saving? How much more?

6g. How much will Brandon have after 5 weeks?

________________________________

6h. When will Amy have saved $800?

________________________________

-----------------------

150

Profit ($)

100

50

60

40

20

80

-50

Number of tickets

-100

100

A(x)

B(x)

200

300

400

500

600

700

800

- 300

-200

-100

2

4

6

8

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download