Which function is the inverse of Rx) = 8x + 4?
2 answers:
Answer:
D
Step-by-step explanation:
let y = f(x) and rearrange making x the subject
y = 8x + 4 ( subtract 4 from both sides )
y - 4 = 8x ( divide both sides by 8 )
= x
Change y back into terms of x with x = (x)
(x) = → D
Answer:
Step-by-step explanation:
To find the inverse of a function, swap the places of the x and y variables and solve for y again.
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