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If (y=32+kx) is linear growth and (k=0), what is correct about the statement?

Answer and explanation

Correct answer: It is neither growth nor decay; y remains constant

Here, k is the coefficient of x, or the slope of the line. Substituting k=0 gives y=32, so y does not change when x changes. Therefore, it is neither growth nor decay; it is a constant function. For decay, the slope must be negative, i.e., k<0. Exam tip: In y=a+kx, the sign of k tells whether the quantity grows, decays, or remains constant.

Related tags

Linear FunctionConstant FunctionSlopeRate Of ChangeLinear GrowthLinear Growth And DecayIntroduction To PolynomialsMathematics

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