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Inequalities of Integrals

If f and g ar...

Question

If f and g are two functions over real numbers defined as f(x) = 3x + 1, g(x) = x² + 2, then find f-g

A

3x + x²

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B

x²+1-3x

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C

x²+1

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D

3x – x²-1

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Solution

The correct option is D
3x – x²-1

f - g = (3x + 1) – (x² + 2) = 3x – x²-1

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