The function f gives the weekly profit, in thousand dollars, that an airline makes on its flights from Boston to Washington D.C. when the ticket price is p dollars. Interpret the following. (a) f(70) 10 When the ticket price is $ 70 , the weekly profit to the airline on flights from Boston to Washington is $ 70 X f'(70) 5.5 (b) , the weekly profit to the airline on flights from Boston to Washington is-Select x per dollar (of ticket price) When the ticket price is $ 70 by $ 5.5 f'(90)1 (с) the weekly profit to the airline on flights from Boston to Washington isSelect When the ticket price is $90 per dollar (of ticket price). by $ -1

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