Multiple Choice
Both a function and its derivative are given. Use them to find intervals on which the function is decreasing. 
Definitions:
Related Questions
Q13: If the marginal revenue (in dollars per
Q51: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1243/.jpg" alt="Find .
Q62: The cost per unit of producing a
Q79: A certain model of automobile has its
Q84: Evaluate the integral <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1243/.jpg" alt="Evaluate the
Q104: Which frequency table best describes the data
Q109: Evaluate the integral <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1243/.jpg" alt="Evaluate the
Q174: Total revenue is in dollars and x
Q232: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1243/.jpg" alt="Let .
Q244: Total revenue is in dollars and x