Alawyer charges his clients a consultation fee of $500 and $100 per hour to work on a case. this is represented by the linear function c = 100x + 500. if the lawyer increases his hourly rate to $150, how much more will he make on a 10-hour case?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?