Question

Find the inverse of the given function.
http://media.education2020.com/evresources/648-07-06-00-00_files/i0140000.jpg

Answer 1

Same process as the last question, what did you get?

Answer 2

Replace f(x) with y
Switch x's and y
solve for y
replace y with f^-1(x)

Answer 3

sosrry im a slow learner. let me see

Answer 4

No worries, give it a shot, and if you do it wrong, I'll explain :)

Answer 5

thanks :)

Answer 6

okay since you said switch the and y i put y=5x-15

Answer 7

and idk what to do next..

Answer 8

switch x's with ys, try that now :)

Answer 9

Don't over complicate it, you're just switching the two :P

Answer 10

oh okay so y-15=x-5/2?

Answer 11

lol

Answer 12

No i mean just switch them around as in: x = y, and y = x lol so: x = 5y -15

Answer 13

ohh okay

Answer 14

And now solve for y ^.^, I think the equation was 5/2 not 5 haha.

Answer 15

lol ye your right sorry okay let me see

Answer 16

Now solve for y, and get back to me :P

Answer 17

okay so x=5/2-15?

Answer 18

idk how to solve! O.O

Answer 19

x=5/2y-15 isolate y