Question

3. Seja f(x) = x2 – 6x + 9. Calcular:
a) f(-2) b) f(1/2

Answer 1

Resposta:

x12/7

x=19jkkwwjsbdbbdbebjwie

Answer 2

Resposta:

a)f-2) = 25

b) f(1/2) = 25/4

Explicação passo a passo:

f(x) = x² – 6x + 9

f(-2) =(-2)² -6(-2) + 9 = 4 + 12 + 9 = 25

f(1/2) = (1/2)² - 6.(1/2) + 9 = 1/4 - 3 + 9 = 1/4  + 6 = ( 1 + 24)/4 = 25/4