The total worldwide box-office receipts for a long-running movie are approximated by the function , where is measured in millions of dollars and x is the number of years since the movie's release. How fast are the total receipts changing 1 yr, 3 yr, and 5 yr after its release?

Question

The total worldwide box-office receipts for a long-running movie are approximated by the function  , where  is measured in millions of dollars and x is the number of years since the movie's release. How fast are the total receipts changing 1 yr, 3 yr, and 5 yr after its release?

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The Answer of The total worldwide box-office receipts for a long-running movie are approximated by the function  , where  is measured in millions of dollars and x is the number of years since the movie's release. How fast are the total receipts changing 1 yr, 3 yr, and 5 yr after its release?

The Total Worldwide Box-Office Receipts for a Long-Running Movie Are