Question

Inverse of f(x) = 3x - 5

Answer 1

Make f(x)= y...so you have y=3x-5...now swap the x and y so you have x=3y-5..solve for y...that is how to do inverse functions

Answer 2

I got all of that, but how do I solve for y? That's the part I'm stuck on @nelsonjedi

Answer 3

x=3y-5...first add 5 to both sides of the equation..what do you have now?

Answer 4

5x = 3y

Answer 5

@nelsonjedi

Answer 6

adding 5 to x does not give you 5x does it?

Answer 7

sorry 5 + x

Answer 8

or x + 5 @nelsonjedi

Answer 9

Correct now you have x+5=3y...now how to you convert 3y to y?

Answer 10

divide by 3 @nelsonjedi

Answer 11

Corrrect and what ever you do to one side of the equation you do to the other. So divide both sides by 3 and what do you have?

Answer 12

x + 5/3 = y?

Answer 13

@nelsonjedi

Answer 14

\[\frac{ x+5 }{ 3 }=y\]

Answer 15

ok
thank you!

Answer 16

Welcome