Question

15) Dada a função f(x) = 2x? - 9x + 11, o valor de f(0) + f(-1) - f(1) ė:
a) 29
b) 37
c) -19
d) 13

Answer 1

Resposta:

29

Explicação passo-a-passo:

f(x) = x² – 9x + 11

f(0) = 0² – 9 . 0 + 11

f(0) = 11

f(–1) = (–1)² – 9 . (–1) + 11

f(–1) = 1 + 9 + 11

f(–1) = 21

f(1) = 1² – 9 . 1 + 11

f(1) = 1 – 9 + 11

f(1) = –8 + 11

f(1) = 3

f(0) + f(–1) – f(1) =

11 + 21 – 3 =

32 – 3 = 29