Answer:
f(- 2) = 8
Step-by-step explanation:
To evaluate f(- 2), substitute x = - 2 into f(x), that is
f(- 2) = 3(- 2)² + (- 2) - 2 = 3(4) - 2 - 2 = 12 - 2 - 2 = 8
