The Demand Function for a Certain Brand of Compact Disc

Multiple Choice

The demand function for a certain brand of compact disc is where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Compute the elasticity of demand and determine whether the demand is inelastic, unitary, or elastic when x = 10. ​

A) elastic
B) inelastic
C) unitary