Question

if f(x)=x^2+ax+b and f(1)=1,f(2)=2 ,find the value of f(3) .​

Answer 1

Answer:

3 is correct answer

hope it help you

Answer 2

Answer:

9

Step-by-step explanation:

f(1)= 1^2+a+b=1

1+a+b=1. ---- equation 1

f(2)=2^2+2a+b= 2

4+2a+b=2 -------equation 2

solve eq 1 and 2

we get, a=-2

b=2

F(3) =3^2 +3×-2 +2

=5 answer...

Hope it would be helpful ..

please mark me brainlist