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2at ? = 2? Circle the correct graph below. A B C D 5.Find the equation of the line that goes through the points (23,12)and (53,−32).
6.Find the equation of the line that goes through the point (0.3,2)and is parallel to the line ? = −0.05? + 1. 7.A company’s cost structure for its manufacturing arm is as follows: they have fixed costs of $3500.00 per week (fixed costs are the costs associated with producing 0 items a week); and variable cost of $45.00 per item (variable costs are labor and materials costs). Create a linear cost function that outputs the cost in dollars of producing x items a week. 8.On 5/7/2015 the price of a gallon of gasoline was $2.16, and that price was increasing at a rate of $0.02 per day. Based on this information what would be a good estimate of the price of a gallon of gasoline on 5/10/2015?
9.Orange Inc. has just released the amazing DriedFig, a portable electronic device that is very popular. When they price it at $250.00, they sell 224.5 thousand units a week. The marketing dept has found that if they reduce the price by $25.00 a unit, then sales will increase by 6.2 thousand units a week.