Function Notation Review 1 Question Preview (ID: 34259)
Function Review 1. Inputs And Outputs.
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Given f(x) = 2x+5, what is the input value?
a) f(x)
b) x
c) 2x
d) 2x+5
Given f(x) = 3x+7, what is the output?
a) f(x)
b) x
c) 3x
d) 3x+7
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=10s
c) C(s)=10+s
d) C(s)=10s
In the scenario of going to the movies with your friends. Which represents the INDEPENDENT variable?
a) Cost for one person to see a movie
b) Total cost for all friends to see the movie
c) Number of friends who went to the movies
d) Number of movies playing at the theater
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 friends who went to the movies
d) Number of movies playing at the theater
If each movie costs $10. What is the total cost for all six people?
a) 6
b) 10
c) 16
d) 60
Given f(x) = 13x-3, what is f(-3)?
a) 42
b) -42
c) 36
d) -36
Given f(x) = 2.1x + 12, find f(5).
a) 22.5
b) 32
c) 1.5
d) 10.5
Given f(x) = 50 + 30x, find f(1), f(2), and f(3).
a) 53, 56, 59
b) 80, 160, 240
c) 90, 110, 130
d) 80, 110, 140
Given f(x) = 50 + 30x, find x when f(x) = 410
a) 10
b) 11
c) 12
d) 13
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