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If (T(d)=18+2d), what is (T(0))?
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Answer and explanation
Correct answer: 18
Given (T(d)=18+2d), substitute (d=0): (T(0)=18+2(0)=18). Hence, the correct answer is 18. The value 20 would be obtained for d=1, since (T(1)=18+2=20). Exam tip: To find the initial value of a function, set the independent variable equal to 0.
Frequently asked questions
What is the correct answer to this question?
18
Why is this the correct answer?
Given (T(d)=18+2d), substitute (d=0): (T(0)=18+2(0)=18). Hence, the correct answer is 18. The value 20 would be obtained for d=1, since (T(1)=18+2=20). Exam tip: To find the initial value of a function, set the independent variable equal to 0.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Linear growth and decay.
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