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What is the inverse of the function f(x) = 2x – 10? A-. h(x) = 2x-5 B-. h(x) = 2x+5 C -. h(x) = 1/2x-5 D-. h(x) = 1/2x+5
Question
What is the inverse of the function f(x) = 2x – 10? A-. h(x) = 2x-5
B-. h(x) = 2x+5
C -. h(x) = 1/2x-5
D-. h(x) = 1/2x+5
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Mathematics
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2021-08-04T05:14:46+00:00
2021-08-04T05:14:46+00:00 1 Answers
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Answer:
D
Step-by-step explanation:
let y = f(x) and rearrange making x the subject
y = 2x – 10 ( add 10 to both sides )
y + 10 = 2x ( divide both sides by 2 )
= x
Change y back into terms of x with x = (x) , then
(x) = = x + 5 → D