4.Which of the following is the value of k as x varies directly as y and x-15 and y =3? A. 45 B. 1/5 C. 5 D. 1/3

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A: Solution:  3 inches =15 feet (Given) 

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A: Here, to sue the synthetic division and the Remainder theorem to factorize f(x)=x3-4x2-25x+100, k=5 ...

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A: solution

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A: fx=x4+3, g(x)=x-1, h(x)=x

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A: Given query is to find indicated expression.

Q: 8.Which of the following is the value of k as y varies directly as x and y =7 and x 14? A. None of t...

A:

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A: We have to use elimination method to  to solve the system of equation. 

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