Question

f(x)=5x²+8x+3

f(0)
f(7)

qual o rusultado das duas contas?

Answer 1

f(x)=5x^2+8x+3
f(0)=5.0^2+8.0+3
f(0)=5.0+8.0+3
f(0)=0+0+3
f(0)=3
f (7)=5.7^2+8.7+3
f(7)=5.49+56+3
f(7)=245+59
f(7)=304