21 Solve The Problemas 21 A Certain Company Has Found That Its Expenditure Rate Per Day In Hundreds Of Dollars On A 1 (125.41 KiB) Viewed 14 times
21 ) Solve the problemas 21) A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by E'(x) = 8x + 7, where x is the number of days since the start of the job. Find the expenditure If the job takes 5 days. A) $135 B) $47 C) $13,500 D) $4700
22) 22) The rate of water usage for a business, in gallons per day, is given by W(t) = 663te-t , where t represents the number of hours since midnight. Approximately how many gallons of water does the business use in the first 6 hours of the day? A) 651 gallons B) 655 gallons C) 12 gallons D) 675 gallons
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