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 isp dollars. Interpret the following.(a)f(70) 10When the ticket price is $70,the weekly profit to the airline on flights from Boston to Washington is 70(b) f(70) 5.5, the weekly profit to the airline on flights from Boston to Washington isSelectWhen the ticket price is $ 70per dollar (of ticket price).by $(c) f'(90)-1When the ticket price is 90--Select by, the weekly profit to the airline on flights from Boston to Washington isper dollar (of ticket price).

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Asked Sep 30, 2019
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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 isp 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
(b) f(70) 5.5
, the weekly profit to the airline on flights from Boston to Washington isSelect
When the ticket price is $ 70
per dollar (of ticket price).
by $
(c) f'(90)-1
When the ticket price is 90
--Select by
, the weekly profit to the airline on flights from Boston to Washington is
per dollar (of ticket price).
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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 isp 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 (b) f(70) 5.5 , the weekly profit to the airline on flights from Boston to Washington isSelect When the ticket price is $ 70 per dollar (of ticket price). by $ (c) f'(90)-1 When the ticket price is 90 --Select by , the weekly profit to the airline on flights from Boston to Washington is per dollar (of ticket price).

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Expert Answer

Step 1

As f gives the weekly profit in thousand dollars, that an airline makes on flights from Boston to Washington D.C, When the ticket price is p dollars.

 (a)  f(70)­ = 10

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When the ticket price is $70, the weekly profit to the airline on flights from Boston to Washington is $10,000

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Step 2

(b) f’(70) ...

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When the ticket price is $70, the weekly profit to the airline on flights from Boston to Washington is increasing by $5.5 per dollar

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