Jabari is power washing houses for a summer job. for every job he charges an initial fee plus $30 for each hour of work. his total fee for 4 - hour job for instance is $170. Jabari total fee f for a single job is a function of the number t of hours it takes him to complete the job. Write the functions formula

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Mathematics

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18 March, 15:44

Jabari is power washing houses for a summer job. for every job he charges an initial fee plus $30 for each hour of work. his total fee for 4 - hour job for instance is $170. Jabari total fee f for a single job is a function of the number t of hours it takes him to complete the job. Write the functions formula

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Sergio · Answer 1

he Charges $30 an hour and worked 4 hours:

$30 x 4 = $120 in hourly fees.

Now subtract that from the total fee:

$170 - $120 = $50

His initial fee is $50

The equation would be f = 30t + 50