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Which of the following polynomials represents linear decay with an initial value of 240 and a decrease of 8 for every increase of 1 in x?

Answer and explanation

Correct answer: \(P(x)=240-8x\)

In \(P(x)=240-8x\), the constant term 240 is the initial value and the coefficient \(-8\) shows a decrease as x increases. \(240+8x\) represents growth. Exam tip: a negative slope indicates decay.

Related tags

PolynomialsLinear DecayLinear GrowthCoefficientConstant TermClass 9 MathematicsLinear Growth And DecayIntroduction To Polynomials

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