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Determining the error

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Reference no: EM131096887

This problem was done incorrectly please correct it and explain what the error was

F(x)=-2x^2+8x+4

X=-b/2a=-8/(2(-2))=4

F(4)=-2(4)^2+8(4)+4

F(4)=-32+32+4

F(4)=4

Reference no: EM131096887

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