Which function best represents the graph?
Building Functions

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
f(x) = x2 – 7x – 8
f(x) = x2 – 4x + 2
f(x) = x2 – 2x – 8
f(x) = x2 + 2x – 8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Adriana deposits $480 into an account that earns 2.6% annual interest. She makes no further deposits or withdrawals. Which function models the total amount, j(t), in the account after t years?
j(t) = t(480)2.6
j(t) = (480)2.6t
j(t) = 1.026(480)t
j(t) = 480(1.026)t
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jacob and Heath install carpets. Jacob charges a flat fee of $112, plus $16 for each hour he works. Heath charges a flat fee of $200, plus $12 for each hour he works. Which function, p(x), represents the total amount of money, in dollars, they earn when they each work x hours?
p(x) = 124x + 216
p(x) = 124x + 88
p(x) = 28x + 312
p(x) = 28x + 88
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the amount of mold, y, on a surface at various times, x.
Which function could be used to model the amount of mold on the surface after x minutes?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which function models the data in the table?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph shows the number of bacteria in a petri dish over a period of time.
Which exponential function could be used to model the number of bacteria after x days?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two cellphone companies have different charges for a cell phone plan. Caiden's provider charges $35 per month plus $0.03 per minute, x, for his phone plan. Jonas's provider charges $0.12 per minute, x, with no monthly fee for his phone plan. Which function represents the difference in cost between Caiden's and Jonas's plans?
f(x) = –35x – 0.09
f(x) = –35x + 0.09
f(x) = –0.09x – 35
f(x) = –0.09x + 35
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