Question

If f(x) = x + 4, find f(3).

1

7

−1

12

Answer 1

f(x) is the same as f(3) so all you do is substitute and f(3)=x+4

Answer 2

is it the first one?

Answer 3

It would be -1 because if x+4=3 you subtract 4 from both sides leaving you with x=-1

Answer 4

f(x)=x+4 now you have to find f(x) for x=3 well here the value of x is 3 so just put x =3
f(3)=3+4=7

Answer 5

its 7 or -1?

Answer 6

you plug 3 in for x in your equation. 3+4=?

Answer 7

Answe is second

Answer 8

thnks guyz the answer was=7