Answer:
To find f(4) if f(x) = 7x^2 - 5, we need to substitute 4 into the function. Let's break down the steps:
Step 1: Start with the given function: f(x) = 7x^2 - 5.
Step 2: Replace x with 4 in the function: f(4) = 7(4)^2 - 5.
Step 3: Simplify the expression inside the parentheses: f(4) = 7(16) - 5.
Step 4: Multiply 7 by 16: f(4) = 112 - 5.
Step 5: Subtract 5 from 112: f(4) = 107.
Therefore, f(4) = 107.
(not sure if this is what the question was asking but this is here if you ever need it)