Question

Dada a função f(x) = - 4x +2, calcule:
a) f(-2) = b) f(1) = c) f(-1/2) = d) f(3/4) =

Answer 1

Explicação passo-a-passo:

f(x)= - 4x +2

f(-2)= - 4.(-2)+2= +8+2=10

f(1)= - 4.1+2= -4 +2= -2

f(-1/2)= - 4.(-1/2) +2= +4/2+2= 2+2=4

f(3/4)= - 4.3/4+2= - 12/4+2= - 3 +2= -1