Determine whether the equation defines y as a linear function of x. 
Definitions:
Q44: A function f is continuous at the
Q89: Evaluate h (3), where <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7866/.jpg" alt="Evaluate
Q97: The height (in feet) attained by a
Q100: The circle with equation <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7866/.jpg" alt="The
Q102: Use the fact that <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7866/.jpg" alt="Use
Q160: Perform the indicated operations and simplify the
Q208: Find the values of x that satisfy
Q210: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7866/.jpg" alt="Let Find
Q236: Suppose the wholesale price of a certain
Q317: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7866/.jpg" alt="Find .