Assume Y is directly proportional to . a. Express this
Chapter 7, Problem 7.2.7(choose chapter or problem)
Assume Y is directly proportional to . a. Express this relationship as a function where Y is the dependent variable. b. If Y 10 when X 2, then find the value of the constant of proportionality in part (a). c. If X is increased by a factor of 5, what happens to the value of Y? d. If X is divided by 2, what happens to the value of Y? e. Rewrite your equation from part (a), solving for X. Is X directly proportional to Y?
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