Question

Sejam as funções definidas por f(x) = 2x – 5 e g(x) = –3x + 2, o valor de f(–3) + g(–5) é:

a) –11 b) –6 c) 17 d) –28 e) 6

Answer 1

f(-3) = 2.(-3) - 5
f(-3) = -6 -5
f(-3) = -11

g(-5) = -3(-5) + 2
g(-5) = 15 +2 
g(-5) = 17


 f(–3) + g(–5)
- 11 + 17 = 6

Gabarito letra ( e)