Determine f(2) - g(-1) na função f(x) = x²-10x +25
F(2)= 2^2 - 10.2 + 25
F(2)= 4 - 20 + 25
F(2)= 4 + 5
F(2)= 9
g(x) = -2x²+2x+24
G(-1)= - 2.(-1)^2 + 2.(-1) + 24
G(-1)= - 2.1 - 2 + 24
G(-1)= - 2 - 2 + 24
G(-1)= 20
= F(2) - g(-1)
= 9 - 20
= - 11
R.: { - 11}
