If f(x) and rl (x) are inverse functions of each other and f(x) = 2х+5, what is rl (8) ?
теnju

loo 3

r(8)=1.5

Step-by-step explanation:

The given function is

when f(x)=8, we have

This implies that:

Hence the point (1.5,8) lies on f(x)

The inverse of function r(x) will have the corresponding point (8,1.5)

This means that:

i used to know but i learned it a long time ago sorry

step-by-step explanation: