Question

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

Answer 1

okay so you have a function for X
which is f(x)

f(x)
means you want a function for 3
so instead of x in your function you would have 3 where x would have been
replace all x's in the function with 3

Answer 2

so the answer would be just f(3) = 3 + 4 ?

Answer 3

?

Answer 4

3+4=?

Answer 5

7

Answer 6

You almost have it. Yep.

Answer 7

don't forget to keep your notation in
so
f(3)=7

Answer 8

okay thanks so very much :)