Question

Dada a função Y = F(X) = X² -7X +10 calcule o valor de Y = F(-3): *

Answer 1

Oie, Td Bom?!

y = f(x) = x² - 7x + 10 ⇐ y = f(- 3).

f(- 3) = (- 3)² - 7 . (- 3) + 10

f(- 3) = 9 + 21 + 10

f(- 3) = 30 + 10

y = f(- 3) = 40 ⇒ y = 40

Att. Makaveli1996