Question

Please help with function notation question (see attached file)

Answer 1

3.5 and 5

Explanation:

Given

f(x) =
`(x+5)/(x)`

To evaluate f(2) substitute x = 2 into f(x)

f(2) =
`(2+5)/(2)` =
`(7)/(2)` = 3.5

Similarly for
`f^(-1)`(x)

`f^(-1)` (2 ) =
`(5)/(2-1)` = 5