Question

Find the inverse of f(t)=−12t+18?

Answer 1

`f^-1(t)=(18-t)/12`

Explanation:

`f(t)=y=-12t+18`

`"rearrange making t the subject"`

`rArr12t=18-y`

`rArr t=(18-y)/12`

`rArrf^-1(t)=(18-t)/12larr" in terms of t"`