MTH
241
LAB A
Slopes and Equations of Lines
Name:__________________ Recitation Time: ___________
1. Find the equation of the line that goes through the points 21,32and 23,35. 2. Find the equation of the line that goes through the point 2,3.0and is parallel to the line 105.0xy. 3. 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. 4. 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?5. 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