CPM Homework Help : CALC Problem 5-108

Hint 1:

Is f(2) positive, negative or 0?

Hint 2:

Is f '(2) positive, negative or 0? Recall that f '(x) represents the slope of f(x).

Hint 3:

Is f ''(2) positive, negative or 0? Recall that f ''(x) represents the concavity of f(x).