Question

Over which interval is the graph of f(x) = one-halfx2 + 5x + 6 increasing?

(–6.5, ∞)
(–5, ∞)
(–∞, –5)
(–∞, –6.5)

Answer 1

It is Indeed B. (–5, ∞)

Explanation:

If you have this question on Edge, then (–5, ∞) is the correct answer.

Answer 2

(-5, ∞)

Explanation:

If you graph this, you will see that starting at -5, the graphs starts to trend upwards.