Ask Question
19 January, 19:41

Over which interval is the graph of f (x) = - x2 + 3x + 8 increasing?

(-∞, 1.5)

(-∞, 10.25)

(1.5, ∞)

(10.25, ∞)

+3
Answers (1)
  1. 19 January, 22:41
    +1
    The answer for this question is (-infinity, 1.5) because

    when f (x) is increasing f' (x) > 0

    -2x + 3 > 0

    -2x > - 3

    x< 3/2 or 1.5
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Over which interval is the graph of f (x) = - x2 + 3x + 8 increasing? (-∞, 1.5) (-∞, 10.25) (1.5, ∞) (10.25, ∞) ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers