Question

Dada a função quadratica f(x) = 5x(ao quadrado) - 4x + 2, determine:

1- f(1)
2- f(2)
3- f(0)
4- f(-2)

Answer 1

f(1)= 5x 1^2 - 4 x 1 +2 = 3
f(2)= 5x 2^2 - 4 x 2 + 2 = 14
f(0)= 5 x 0^2 - 4 x 0 + 2 = 2
f(-2)= 5 x (-2)^2 - 4 x (-2) + 2 = 30