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Edisbre5rio
Edisbre5rio Edisbre5rio
  • 07-05-2016
  • Mathematics
Answered

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

(–∞, 1.5)


(–∞, 10.25)


(1.5, ∞)


(10.25, ∞)

Verified Answer :

naoemievalencia naoemievalencia
  • 27-08-2017

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

Answer Link
sourcandy212
sourcandy212 sourcandy212
  • 13-06-2019

Answer:

A.

Step-by-step explanation:

Answer Link

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