Question

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

1
7
12
-1

Answer 1

replace x with 3

Answer 2

so it would be 7?

Answer 3

yes

Answer 4

f(3)= 3 +4, where x is replaced by 3, so its 7 yeah

Answer 5

the same method applies to every function. For example if f(x) = x^3 +1, then f(1) = 1^3 +1 = 2

Answer 6

thnx