Electric Scooter Factory

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math question....help?

The number of electric scooters e that a factory can produce per day is a function of the number of hours h it operates and is given by e(h) = 250h for 0 £ h £ 10. The daily cost c to manufacture e electric scooters is given by the function c(e) = 0.05e2 + 60e + 1000. Evaluate (c ○ e)(10), and write a sentence that explains the meaning of your answer.

Ok this is pretty simple.. all you need to do is replace the e(h) function into the c(e) so..

e(h)=250h
c(e)=0.05e^2 + 60e + 1000

c(e(h))=0.05(250h)^2 + 60(250h) + 1000

c(e(h))= 0.05(62500(h^2)) + 15000h + 1000

c(e(h))= 3125(h^2) + 15000h + 1000

c(e(10))= 3125(10^2) + 15000(10) + 1000

c(e(10))= 312500 + 150000 + 1000

c(e(10))= 463500

For the sentence: The cost to produce scooters during 10 hours of operation is 463500

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