Question

1 – Dada a função f(x) = x² + x + 2; encontre: a) f(2) b) f(3) c) f(5) d) f(1)

Answer 1

Explicação passo-a-passo:

f(x) = x² + x +2

f(2)= 2² +2 +2

f(2)= 4+2+2

f(2)= 8

f(3)= 3² +2+2

f(3)= 9 +2+2

f(3)= 13

f(5)= 5² +2+2

f(5)= 25 +2+2

f(5)= 29

f(1)= 1² +2+2

f(1)= 1+2+2

f(1)= 5