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If (y=18+kx) is linear growth and (k=0), what is correct about the statement?

Answer and explanation

Correct answer: It is constant, not growth

When (k=0), we get (y=18+0x=18). Thus, y does not change as x changes, so the function is constant and there is no growth. Decay would require a negative slope, i.e., (k<0). Exam tip: In (y=a+kx), use the sign of k to identify growth, decay, or a constant value.

Related tags

Linear GrowthConstant FunctionZero SlopeLinear EquationsPolynomialsLinear Growth And DecayIntroduction To PolynomialsMathematics

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