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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

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  1. 14 May, 00:37
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    Answer: 50

    Step-by-step 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
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