Question

dada a função f(x)= -2x²-4x+6, calcule a f(3)

Answer 1

f(3)=-2.(3)^2-4.3+6
f(3)=-2.9-12+6
f(3)=-18-12+6
f(3)=-24

Answer 2

f(x)=-2x²-4x+6
f(3)=-2.(3)²-4.(3)+6
f(3)=-2.9-12+6
f(3)=-18-12+6
f(3)=-30+6
f(3)=-24