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- 1. Multiple Choice
Jon charges $20 dollars an hour to build a fence. What is the independent variable.
total charge
hours
fence posts
- 2. Multiple Choice
1. For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. What is the constant?
$3
$5
$8
- 3. Multiple Choice
Write the following in function notation.
A doctor measured a patient’s resting pulse rate at 80 beats per minute.
f(x) = 80y
f(y) = 80y
f(x)=80x
- 4. Multiple Choice
Write the following in function notation.
Attorney A charges a fixed fee on $250 for an initial meeting and $150 per hour for all hours worked after that.
f(x)=250x + 150
f(x) = 150x + 250
f(x) = 150x - 250
- 5. Multiple Choice
A machine can make 5 miles of ribbon in an hour. How much ribbon can it make in 8 hours?
40 miles
13 miles
48 miles
- 6. Multiple Choice
Function: f(x) = 55x + 11
What is the answer if the independent variable is 3?
66
121
176
- 7. Multiple Choice
Plan A: $50 monthly membership fee and $10 per visit
What is the dependent variable
monthly fee
cost each visit
total cost
- 8. Multiple Choice
Write in function notation.
Plan B: costs $25 monthly one time membership fee and $15 per visit
f(x)=25x + 15
f(x) = 15x + 25
f(x) = 40x
- 9. Multiple Choice
Seth’s father is thinking of buying his son a six-month movie pass for $40. With the pass, matinees cost $1.50. How much would $12 movies cost?
$41.50
$53.50
$58.00
- 10. Multiple Choice
What is the independent variable?
As a construction foreman, Joe makes $22.50 an hour.
hours worked
hourly rate
total pay
- 11. Multiple Choice
What is the constant?
Julie wants to get ready for her beach vacation in one month. A tanning salon charges a 20 dollar monthly fee and 3 dollars for each visit.
monthly fee
number of visits
total cost
- 12. Multiple Choice
Alana runs 6 miles per track practice. How many miles did she run after 9 practices?
15
36
54
- 13. Multiple Choice
Write the following in function notation.
ABC Furnace charges $75 to make a house call and then $50 an hour after that.
f(x) = 75x + 50
f(x) = 50x - 75
f(x)= 50x + 75
- 14. Multiple Choice
ABC Furnace charges $75 to make a house call and then $50 an hour after that. How much would it cost if it takes them 3 hours to fix your furnace?
$125
$175
$225
- 15. Multiple Choice
A Pizza restaurant offers the following deals” Deal #1: $8.99 for one large pizza and $5 for each additional large pizza on the same order Deal#2: $6.00 per large pizza
What is the cost of 10 pizzas for each deal?
Deal #1- $89.90 Deal #2-$60
Deal #1- $50 Deal #2-$60
Deal #1- $53.99 Deal #2-$60
- 16. Multiple Choice
Attorney A charges a fixed fee on $250 for an initial meeting and $150 per hour for all hours worked after that. Write an equation in slope-intercept form. Attorney B charges $150 for the initial meeting and $175 per hour.
How much would 2 hours cost you at each attorney?
Attorney A: $550 Attorney B: $475
Attorney A: $550 Attorney B: $500
Attorney A: $550 Attorney B: $450
- 17. Multiple Choice
Sally charges $15 dollars per hour to paint a fence. What is the constant in this problem if she paints for 3 hours?
$0
$15
$45
- 18. Multiple Choice
Write the following in function notation.
A Pizza restaurant offers the following deal $8.99 for on large pizza and $5 for each additional large pizza on the same order
f(x) = 8.99x + 5
f(x) = 5x + 8.99
f(x) = 5x - 8.99
- 19. Multiple Choice
Function: f(x)= 7x
What is the answer if the independent variable is 8?
15
49
56
- 20. Multiple Choice
What do you multiply the independent variable by in a function?
the dependent variable
the constant
the rate
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