Internet Advertising Several months ago. John O’Hagan investigated the effect on the popularity of OHaganBooks.com of placing banner ads at well-known Internet portals. The following model was obtained from available data:
new visits per day
where c is the monthly expenditure on banner ads.
a. John O’Hagan is considering increasing expenditure on banner ads from the current level of $5,000 to $6,000 per month. What will be the resulting effect on Web site popularity?
b. According to the model, would the Web site popularity continue to grow at the same rate if he continued to raise expenditure on advertising $1,000 each month? Explain.
c. Does this model give a reasonable prediction of traffic at expenditures larger than $8,500 per month? Why?
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