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Unformatted text preview: hamburgers the restaurant will sell if it in-creases its daily spending on advertising from $17 to $17 . 50. 1. 36 more hamburgers 2. 35 more hamburgers correct 3. 37 more hamburgers 4. 33 more hamburgers 5. 34 more hamburgers Explanation: After diFerentiation, N ( x ) = 240-10 x. If x is increased by $ x , then the approximate increase, N , in N will thus be given by N N ( x ) x = (240-10 x ) x. When x = 17 and x = . 5, therefore, the McDonalds restaurant can expect to sell approximately 35 more hamburgers. keywords: spending, marginal spending, dif-ferential...
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- Spring '08