The table below shows some inputs and outputs of the invertible function f with domain all real numbers.

x | 14 | -6 | -1 | 10 | -10 | 3
f(x) | 7 | -10 | -15 | 14 | -4 | -9

Find the following values:

f^-1(f^-1(7)) = ?
f^-1(-4) = ?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.