A company has found that its expenditure rate per day (in hundreds of dollars) o

Question

A company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by the function below, where x is the number of days since the start of the job. Complete parts (a) through (c). E(x) = 4x + 2 Find the total expenditure if the job takes 9 days. S (Simplify your answer.) How much will be spent on the job from the 9th day to the 28th day? S (Simplify your answer.) If the company wants to spend no more than $84,000 on the job, in how many days must it complete the job? days

Explanation / Answer

E(x) = 4x+2

a) x = 9

Total ependiture = 36+2 = 3800dollars

b) E(9) = 3800

E(28) = 4*28 + 2 = 11400 dollars

7600 dollars spent on the job from 9 day to 28 day

c) E(x) = 84000$

840 = 4x +2

4x = 838

x= 838/4

x = 210 days

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