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13 Jul 2020
Jane has a tutoring service. She charges a base fee of 
and charges 
per hour of service. Write a function that best describes her tutoring fees.
Jane has a tutoring service. She charges a base fee of and charges per hour of service. Write a function that best describes her tutoring fees.
Zhen ZhuLv5
28 Dec 2020
and additional 
for every hour. How much would the client pay the engineer if she spent two and a half hours of work for inspection of her house?
per month for unlimited calls and texts. They also charge her an additional 
for every 
of data consumed per month. Write a linear function that describes her monthly phone bill as a function of data consumed per month.
on the price of the parts. A customer came with a phone that has a broken screen. The screen costs 
to replace. How much does the customer need to pay?