
Unit 1 and 2
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Joedi Coleman
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A hair salon charges a fixed rate of $25.00 for a haircut and then an additional $15 for any other services. Write a function to model the cost of services. How many services you had if you were charged $25?
f(x)=15x+25; 0 other services
f(x)=25x+15; 4 other services
f(x)=15x+25; 1 other service
f(x)=25x+15; 0 other services
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the graphed linear equation.
y = 3.5x + 3.5
y = 3.5x - 3.5
y = - 3.5x + 3.5
y = - 3.5x - 3.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given ƒ(x) = 8x − 15, find x when ƒ(x) = 9.
3
2
6
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is TRUE about the graph?
The exponential function is increasing at a greater rate than the linear function.
The linear function is increasing at the same rate as the exponential function.
It is not possible to determine the rate of increase between a line and a curve.
The linear function is increasing at a greater rate than the exponential function.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x-intercept (-1/3, 0)
y-intercept (0,1)
x-intercept (1/6,0)
y-intercept (0,-1/6)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As x approaches ∞, which statement BEST compares these functions?
The exponential function will eventually exceed the linear function.
The linear function will eventually exceed the exponential function.
The exponential function will exceed the linear function because is has a lower initial value.
The linear function will exceed the exponential function because it has a greater initial value.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the zero of this function?
10
8
800
80
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