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hodyreva [135]
2 years ago
8

F(x)=4x^2-7x+7 Find f(7)

Mathematics
1 answer:
harkovskaia [24]2 years ago
8 0

Answer:

154

Step-by-step explanation:

Because since it says find f(7) you plug the 7 into the x's so it would be...

4(7)^2-7(7)+7= 154

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DaniilM [7]

Answer:

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Step-by-step explanation:

Equation 1:

Multiply both sides of the equation by a coefficient

{ 4(2x-y)=2*4

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{8x-4y=2*4,-5x+4y=-2

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Cancel one variable

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Combine like terms

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Calculate the sum or difference

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Divide both sides of the equation by the coefficient of the variable

x=6/3

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{-5+4y=-2, x=2

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Reduce the greatest common factor (GCF) on both sides of the equation

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Rearrange unknown terms to the left side of the equation

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Divide both sides of the equation by the coefficient of the variable

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