Evaluating Functions

7 September 2022
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10 test answers

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question
What is the inverse of the function f(x) = 2x - 10? h(x) = 2x - 5 h(x) = 2x + 5 h(x) = 1/2x - 5 h(x) = 1/2x + 5
answer
D. h(x) = 1/2x + 5
question
If f(x) = 2x2 + 1, what is f(x) when x = 3? 1 7 13 19
answer
D. 19
question
Which statement is true regarding the graphed functions? f(0) = g(0) f(-2) = g(-2) f(0) = g(-2) f(-2) = g(0)
answer
f(0) = g(0)
question
Which statement is true regarding the functions on the graph? f(-3) = g(-4) f(-4) = g(-3) f(-3) = g(-3) f(-4) = g(-4)
answer
f(-3) = g(-3)
question
What is f(3)? -9 -1 1 9
answer
9
question
What is the inverse of the function f(x) = 2x + 1? h(x) = 1/2x - 1/2 h(x) = 1/2x + 1/2 h(x) = 1/2x - 2 h(x) = 1/2x + 2
answer
h(x) = 1/2x - 1/2
question
If f(x) = 5x + 40, what is f(x) when x = -5? -9 -8 7 15
answer
15
question
Which statement is true regarding the functions on the graph? f(6) = g(3) f(3) = g(3) f(3) = g(6) f(6) = g(6)
answer
f(3) = g(3)
question
hich represents where f(x) = g(x)? f(4) = g(4) and f(0) = g(0) f(-4) = g(-4) and f(0) = g(0) f(-4) = g(-2) and f(4) = g(4) f(0) = g(-4) and f(4) = g(-2)
answer
f(-4) = g(-4) and f(0) = g(0)
question
Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x - 4 h(x) = 3/4x h(x) = 1/4x
answer
h(x) = 1/4x