Question

4 - Dadas as funções f(x) = 5x – 4 e g(x) = ─2x + 7, determine o valor de

f(3) ─ g(─2).

a) ─ 22

b) 8

c) 0

d) 22​

Answer 1

Resposta:

f(3) = 5x – 4

f(3)=5×3-4

f(3)=15-4=11

g(x) = ─2x + 7

g(-2)=-2×(-2)+7

g(-2)=4+7=11

f(3) ─ g(─2)=11-11=0

letra C