Please do number 82. 79. Business. Find the intervals on which profit is increasing,decreasing, and constant.80. Business. Find the intervals on which cost is increasing,decreasing, and constant.81. Budget: Costs. The Kappa Kappa Gamma sorority decides toorder custom-made T-shirts for its Kappa Krush mixer withthe Sigma Alpha Epsilon fraternity. If the sorority orders 50or fewer T-shirts, the cost is $10 per shirt. If it orders morethan 50 but fewer than 100, the cost is $9 per shirt. If it orders100 or more, the cost is $8 per shirt. Find the cost functionC(x) as a function of the number of T-shirts x ordered.82. Budget: Costs. The marching band at a university is orderingsome additional uniforms to replace existing uniforms thatare worn out. If the band orders 50 or fewer, the cost is$176.12 per uniform. If it orders more than 50 but fewer than100, the cost is $159.73 per uniform. Find the cost functionC(x) as a function of the number of new uniforms x ordered.83. Budget: Costs. The Richmond rowing club is planningto enter the Head of the Charles race in Boston and is tryingto figure out how much money to raise. The entry fee is $250per boat for the first 10 boats and $175 for each additionalboat. Find the cost function C(x) as a function of the numberof boats x the club enters.84. Phone Cost: Long-Distance Calling. A phone companycharges $0.39 per minute for the first 10 minutes of an98

Name: Please do number 82. 79. Business. Find the intervals on which profit
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Description: Please do number 82. 79. Business. Find the intervals on which profit is increasing,decreasing, and constant.80. Business. Find the intervals on which cost is increasing,decreasing, and constant.81. Budget: Costs. The Kappa Kappa Gamma sorority decid