Question

Dadas as funcoes f(×)=2×-6×-4 e g(×)=-3×-5×+1,calcule:f(-3) e g(4)

Answer 1

Olá.

• f(x) = 2x - 6x - 4 = -4x - 4
• g(x) = -3x - 5x + 1 = -8x + 1

a) f(-3)

f(-3) = -4(-3) + 4
f(-3) = 12 + 4
f(-3) = 16

b) g(4)

g(4) = -8(4) + 1
f(4) = -32 + 1
g(4) = -31

Bons estudos.