Question

5) Dada a função f(x) = x2 – 6x + 11, encontre o valor de f(-1) e f(2):

Answer 1

f(x)=x^2-6x+11
f(-1)=(-1)^2-6.(-1)+11
f(-1)=1+6+11
f(-1)=18
f(x)=x^2-6x+11
f(2)=2^2-6.2+11
f(2)=4-12+11
f(2)=-8+11
f(2)=3