Consider two functions f(x) = 2x² + 16x + 6 g(x) = -8x² + 4x + 1. Let a be the maximum value of f(x) + g(x), and b the value of x at that moment. Then what is the value of a + b?

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A:

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A: x- intercept is the value of x coordinate at which the value of y=0.

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A:

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A: Here, the given functions are: f(x)=-4x-4,g(x)=9x2+3x-2

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A:

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A: Please refer the attached image for complete solution.

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A:

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A:

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