Question

A company has found that its rate of expenditure(in hundreds of dollars) on a certain type of job is given by E'(x)=10x+10, where x is the number of days since that start of the job

Answer 1

Answer: 50

Explanation:

where x is the number of days since that start of the job.

To Find the rate of expenditure if the job takes 4 days.

Substitute 4 for x

E'(x)=10x+10

E(x) = 10(4) + 10

E(x) = 40 + 10 = 50