Question

What is the inverse of the function? f(x) = 1/4 x + 10

Answer 1

Answer:

f ' (x) = 4x - 40

Step-by-step explanation:

$f(x)=\frac{1}{4} x+10\\y=\frac{1}{4} x+10$

Switch y and x for inverse

$x=\frac{1}{4} y+10\\x-10=\frac{1}{4} y\\y=4*(x-10)\\f'(x)=4x-40$