Answer:
- 3
Step-by-step explanation:
Assuming f(x) = x² - 8x - 12
To evaluate f(- 1) substitute x = - 1 into f(x)
f(- 1) = (- 1)² - 8(- 1) - 12 = 1 + 8 - 12 = 9 - 12 = - 3
