Question 669218
h(x) = (8x^3)/(5x^2+7)}}} what does -h(x) = ? 

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A quotient has 3 signs: the numerator, the denominator, and the fraction.
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To form the negative of a quotient change one of its signs or all three of its
signs.
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Your problem
-h(x) = -[(8x^3)/(5x^2+7)]
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Cheers,
stan H.