Question

mim ajude ai gente e pra hj

Answer 1

a) f(x) = 2x +5
y = 2x + 5
x = 2y + 5
2y = x - 5
y = x/2 - 5/2
f^-1 (x) = x/2 - 5/2

b) f (x) = 3x -2
y = 3x - 2
x = 3y -2
3y = x - 2
y = x/3 - 2/3
f^-1 (x) = x/3 - 2/3