Final answer:
To solve for f(-1) in the equation f(x) = x^2 – 2x + 1, we need to substitute -1 for x. So, f(-1) = (-1)^2 – 2(-1) + 1.
Simplifying this expression, we get f(-1) = 1 + 2 + 1 = 4.
Therefore, the correct answer is A. 4.
Step-by-step explanation:
To solve for both f(x) = x^2 − 2x + 1 for f(-1), we need to substitute x with -1 in the given function. Here's the calculation:
f(-1) = (-1)^2 - 2(-1) + 1
f(-1) = 1 + 2 + 1
f(-1) = 4
Therefore, the value of f(-1) is 4, which corresponds to option A.