Question

f(×)=x2-5x+6, calcule:
a) f(o) b)f(3) c)f(2)​

Answer 1

Resposta:

a) f(0)

f(0)= 0.2 - 5.0 + 6

f(0)= 0 - 0 + 6

f(0)= 0+6

f(0)= 6

b) f(3)= 3.2 - 5.3 + 6

f(3)= 6 - 15 + 6

f(3)= -9 + 6

f(x)= -3

c) f(2)= 2.2 - 5.2 + 6

f(2)= 4 - 10 + 6

f(2)= -6 + 6

f(2)= 0