Question

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

1

7

−1

12

Answer 1

need help n explain it to me

Answer 2

If f(x) = x + 4, find f(3).
y=3+4
y=7

Answer 3

r u sure

Answer 4

yep see :) http://www.wolframalpha.com/input/?i=If+f%28x%29+%3D+x+%2B+4%2C+find+f%283%29.+

Answer 5

ight

Answer 6

yes he is right, it is like saying substitute x=3 into the equation.

Answer 7

thxs

Answer 8

f(x) = x + 4
f(3) = 3 + 4 = 7

Answer 9

no problem.