Question

Dada a função, fx=3x2-x3+10-x, qual o valor de f-3

Answer 1

f(x)=3x²-x3+10-x
f(-3)=3.(-3)²-(-3).3+10-(-3)
f(-3)=3.9+9+10+3
f(-3)=27+9+10+3
f(-3)=49