Question

dada a funçao afim definida por f(x)=5x-4 qual o valor de f(2) + f(3)? a)6 b)11 c)15 d)17 e)25

Answer 1

Resposta:

d) 17

F(2) = 5 . 2 - 4

F(2) = 10 - 4 = 6

F(3) = 5 . 3 - 4

F(3) = 15 - 4 = 11

F2 = 6

F3 = 11

F2 + F3

6 + 11

17