Help, please.

Which of the following graphs represents the function f(x) = 2^x

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet