Question

Find the inverse. f(x)= 5x-15

Answer 1

Answer:

y=$\frac{x}{5}$+3

Step-by-step explanation:

1. Replace f(x) to x and replace x with y.

     x=5y-15

2. Then, add 15 to both sides

x+15=5y-15+15

5y=x+15

3. Divide both sides by 5

$\frac{5y}{5}$=$\frac{x}{5}$+$\frac{15}{5}$

y=$\frac{x}{5}$+3

4. Enjoy your answer.