justkingarop justkingarop

22-06-2020
Mathematics

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Over which interval is the graph of fx =-x2 + 3x + 8 increasing

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Alfpfeu Alfpfeu

22-06-2020

Answer:

Step-by-step explanation:

it is increasing in [tex]]-\infty;3/2][/tex]

because this is like

[tex]f(x)=ax^2+bx+c[/tex]

where a > 0

and -b/a=3/2

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