If f(x) = x² - 4x + 3, what is the value of f(-2)?
✓ Correct Answer: Option C
Substitute x = -2 into the function: f(-2) = (-2)² - 4(-2) + 3. Calculate: 4 - (-8) + 3 = 4 + 8 + 3 = 15.
Substitute x = -2 into the function: f(-2) = (-2)² - 4(-2) + 3. Calculate: 4 - (-8) + 3 = 4 + 8 + 3 = 15.