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topjm [15]
3 years ago
9

On a coordinate plane, a parabola opens down. It goes through (negative 2, negative 2), has a vertex at (1.5, 10), and goes thro

ugh (5, negative 2).
Over which interval is the graph of f(x) = –x2 + 3x + 8 increasing?

(–∞, 1.5)
(–∞, 10.25)
(1.5, ∞)
(10.25, ∞)
Mathematics
2 answers:
romanna [79]3 years ago
6 0

Answer:

(-∞,1.5)

Step-by-step explanation:

Got it right on edge2k21

Cloud [144]3 years ago
5 0

Answer:

Step-by-step explanation:

(-∞,1.5)

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