Question

Given f(x) = (5x + 1) / 2, solve for f^-1(8).

@sleepyjess

Answer 1

im stuck after this step

8 = (5y + 1) / 2

Answer 2

is the answer 3 ?

Answer 3

Let me review inverses really quick

Answer 4

okay :)

Answer 5

If I remember correctly, just substitute in 8 for y

Answer 6

and switch y and x

Answer 7

i get 3 .. right ?

Answer 8

Correct

Answer 9

thanks :)

Answer 10

yep