Question

Let f(x)=-5x. Find f^-1

Answer 1

I really don't understand this

Answer 2

f^-1 means the inverse of f(x).

To find the inverse switch your y and x variables and solve for the new y variable.

f(x)=-5x

y=-5x

x=-5y

y=x/-5

So f^1(x)=x/-5 is the inverse function of f(x)=-5x

Answer 3

I understand, thank you

Answer 4

yw