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Suppose a and b vary inversely, and b = 8 when a = 6. Write a function that models the variation and find b when a = 30. Explain your answer.

Theresa Perry

in Mathematics

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Donald Ward on June 5, 2018

1. If a and b vary inversely and b = 8 a = 6 b = k/ 8 = k / 6k = 6 * 8 kb = 48Function is:b = 48 / a2. When a = 30 b = 48 / 30 = 8/5 = 1.6


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