Resposta :
a) g(x) = -9 + 10x^2
a = 10, b = 0, c = -9
b) f(x) = 5x^2 - 10x + 5
a = 5, b = -10, c = 5
c) f(x) = 2x^2 - 2x
a = 2, b = -2, c = 0
a) g(x) = -9 + 10x^2
a = 10, b = 0, c = -9
b) f(x) = 5x^2 - 10x + 5
a = 5, b = -10, c = 5
c) f(x) = 2x^2 - 2x
a = 2, b = -2, c = 0