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Please help with this math question !!!

Please help with this math question !!!-example-1
User Mabergerx
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2 Answers

1 vote
M=-3
I copied cuz I needed points
User Joe Scotto
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6 votes

Answer:

m=-3

Explanation:

f(1)=-(1)^2+3(1)+8=-1+3+8=10

f(5)=-(5)^2+3(5)+8=-25+15+8=-2

m_avg=(f(5)-f(1))/(5-1)=(-2-10)/(5-1)=-12/4=-3

User Nurikabe
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