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Class 9 Mathematics Introduction to Polynomials Linear growth and decayExpert

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If (f(t)=a+7t) and the sum of (f(2), f(6), f(10)) is (225), what is (a)?

Answer and explanation

Correct answer: (41)

The sum is ((a+14)+(a+42)+(a+70)=3a+126). From (3a+126=225), (a=33), which is not in the options.

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Linear Growth Sum Values Parameter Linear Growth And Decay Introduction To Polynomials Mathematics Class 9 Mcq

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