To find f(1) from the function f(x) = 2x + 3, we need to substitute x with 1.
Starting with the given function:
f(x) = 2x + 3
Now, replace x with 1:
f(1) = 2(1) + 3
Next, perform the multiplication:
f(1) = 2 + 3
Finally, add the numbers together:
f(1) = 5
Therefore, f(1) is equal to 5.