Question

(hi can someone help me with this?) If f(x) = 4x - 3, what is f(x)^-1?

a.) x/4 + 3
b.) x + 3/ 4
c.) 3 - 4x
d.) 4/x+3

Answer 1

F(x) ^-1= x+3/4

Explanation:

Exchange f(x) for y

Y=4x-3

+3

Y+3=4x

/4

Y+3/4=x

Swap y and x

F(x)^-1= x+3/4

Answer 2

Here is your answer

Hope it helps