Q = 40 – 2P Suppose that the p inthis equation refers to the price of a magazine
ID: 1235515 • Letter: Q
Question
Q = 40 – 2P
Suppose that the p inthis equation refers to the price of a magazine subscription, andthe q refers to the number of magazines to which Juliesubscribes. Read the following statement carefully: “the more magazines Julie subscribes to, the less she is willing topay for an additional magazine”
Which of the followingbest summarizes the pattern of casualty suggested by thisstatement?
- The relationshipbetween P and Q is not a casual relationship.
- A change in Qcauses a change in P.
- A change in Pcauses a change in Q.