Question

Dada a função f (x)=2×^2+6×-4 calcule
a)f (0)
b)f (-2)
c)f(5)
d)f(-6)
e)f(1)
f)f(-100)

Answer 1

A) f(0) = 2.0²+6.0-4 = -4

B) f(-2) = 2.(-2)²+6.(-2)-4 = -8

C) f(5) = 2.5²+6.5-4 = 76

D) f(-6) = 2.(-6)²+6.(-6)-4 = 32

E) f(1) = 2.1²+6.1-4 = 4

F) f(-100) = 2.(-100)²+6.(-100)-4 = 19396