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Function Notation Review 1
Test Description: Function Review 1. Inputs and Outputs
Instructions: Answer all questions to get your test result.
1) Given f(x) = 2x+5, what is the input value?
A
2x+5
B
f(x)
C
2x
D
x
2) Given f(x) = 3x+7, what is the output?
A
x
B
3x
C
3x+7
D
f(x)
3) You and your friends decide to go to the movies. Each movie, m, costs $10. Which equation represents the total cost, C, to go to the movies in FUNCTION NOTATION?
A
C=10+s
B
C(s)=10s
C
C(s)=10+s
D
C=10s
4) In the scenario of going to the movies with your friends. Which represents the INDEPENDENT variable?
A
Total cost for all friends to see the movie
B
Number of movies playing at the theater
C
Cost for one person to see a movie
D
Number of friends who went to the movies
5) In the scenario of going to the movies with your friends. Which represents the DEPENDENT variable?
A
Cost for one person to see a movie
B
Total cost for all friends to see the movie
C
Number of movies playing at the theater
D
Number of friends who went to the movies
6) If each movie costs $10. What is the total cost for all six people?
A
16
B
6
C
60
D
10
7) Given f(x) = 13x-3, what is f(-3)?
A
36
B
-42
C
42
D
-36
8) Given f(x) = 2.1x + 12, find f(5).
A
10.5
B
22.5
C
1.5
D
32
9) Given f(x) = 50 + 30x, find f(1), f(2), and f(3).
A
90, 110, 130
B
80, 110, 140
C
53, 56, 59
D
80, 160, 240
10) Given f(x) = 50 + 30x, find x when f(x) = 410
A
10
B
11
C
12
D
13
*select an answer for all questions
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