Answer:
19
Explanation:
Formula
h(x) = 4x + 3
Givens
x = 4
Comment
h(x) is the same thing as y. So the equation can be written as y = 4x + 3
Now it is a simple matter of solving 4x + 3 given that x = 4.
Solution
f(4) = 4*4 + 3 Combine
f(4) = 16 + 3 Add
Answer
f(4) = 19