Question

If f(x) = 7x – 12, what is f–1(x) ?

) x-12 / 7
2) x+12 / 7
3) x+7 / 12
4) x-7 / 12

Answer 1

this says multiply by 7, subtract 12
inverse says
add 1,
divide by 7
you get
\[f^{-1}(x)=\frac{x+12}{7}\]

Answer 2

excuse me i meant
inverse says add 12
divide by 7

Answer 3

thank u

Answer 4

yw