Question

Dada a função f(x)= 3x - 2, determine:
a) f(2)
b) f(-1)

Answer 1

f(x) = 3x-2
f(2) = 3.2 - 2 = 6-2 = 4
f(-1) = 3.(-1)-2 = -3-2 = -5

Answer 2

 f(x)= 3x - 2

f(2) = 3 . 2 - 2 = 4

f(-1) = 3 . (-1) - 2 = -5