If f(x) = 5x + 4, which of the following is the inverse of f(x)?β
Accepted Solution
A:
set f(x) equal to yy = 5x + 4swap x and yx = 5y + 4make y the subjectx - 4 = 5y[tex]y = \frac{x - 4}{5} [/tex]replace y with f^-1(x)[tex]f(x) = \frac{x - 4}{5} [/tex]