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If (M(x)=18+2x), what is (M(6))?

Answer and explanation

Correct answer: 30

Substitute 6 for x: M(6)=18+2(6)=18+12=30. Therefore, option B is correct. Getting 36 would require incorrectly multiplying 18 and 12. Exam tip: When evaluating a function, substitute the given value for the variable first and then follow the order of operations.

Related tags

PolynomialsLinear ExpressionFunction EvaluationSubstitutionLinear GrowthLinear Growth And DecayIntroduction To PolynomialsMathematics

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