Question

Find f^-1(x) where
f(x) = 3x + 2 / x

Answer 1

denoted interchange solve

Explanation:

y= (2-x)/3 Let f(x) be denoted by y, thus y= -3x+2 Now interchange x and y, it becomes x= -3y+2 Solve for y, y= (2-x)/3 This is f^(-1) x