DeltaMath - Evaluate the function.

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ZeroSkillz asked Jan 6, 2023

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36 votes

DeltaMath -
Evaluate the function.

Mathematics
high-school

ZeroSkillz asked Jan 6, 2023

by ZeroSkillz

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14 votes

Answer: I hope this helps.

Explanation:

Nick Forge answered Jan 7, 2023

by Nick Forge

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17 votes

Answer:

f(9) = -161

Explanation:

Given function:

$\sf -2x^2 + x - 8$

To find f(9), substitute x = 9 in the function:

$\rightarrow \sf -2(9)^2 + 9 - 8$

$\rightarrow \sf -2(81) + 9 - 8$

$\rightarrow \sf -162 + 9 - 8$

$\rightarrow \sf -161$

Eamonn McEvoy answered Jan 12, 2023

by Eamonn McEvoy

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