Question

Dada a função y = x² + 4x - 8 , calcule:

F (0)=
F (-1)=
F (3)=

Answer 1

f(0) = 0² + 4.0 - 8
f(0) = -8

f(-1) = -1² + 4.-1 - 8
f(-1) = 1 -4 -8
f(-1) = -11

f(3) = 3² + 4.3 - 8
f(3) = 9 + 12 - 8
f(3) = 13