Question

determine f-1(2)+f-1(-2), sabendo que f(x)=3x+2​

Answer 1

y = 3x + 2

x = 3y +2

(x -2)/3 = y

(2 -2)/3 = 0/3 = 0

(-2 -2)/3 = -4/3

0 + (-4/3)

-4/3

(a)