Over which interval is the graph of f (x) = 1/2 x2 + 5x + 6 increasing?

A) (-6.5, ∞)

B) (-5, ∞)

C) (-∞, - 5)

D) (-∞, - 6.5)

Question

Perkins

20 November, 11:32

+1

Answers (2)

Know the Answer?

Elaine · Answer 1

Elaine 20 November, 12:01

0

Yeah the answer is indeed B

Lawrence · Answer 2

If you look at the graph of f (x) = 1/2 x2 + 5x + 6, you can see that it is increasing at interval (-5, ∞).

So the answer would be B.

Over which interval is the graph of f (x) = 1/2 x2 + 5x + 6 increasing?A) (-6.5, ∞)B) (-5, ∞)C) (-∞, - 5)D) (-∞, - 6.5)