Question

Let f (x)=x^2+1
what is f(3)?

Answer 1

The answer is 10
f(x)=x^2+1
If f(3) then you would plug that in with each x which gets you
f(3)=3^2+1
Then you figure out what 3^2 equals
(It’s should be nine) This gets you
f(3)=9+1
Which gets you
f(3)= 10

Answer 2

Answer: 10

Explanation:

plug in 3 where x is.

3^2 = 9

9+1 = 10