MATH 211 Final: MATH 211 Amherst S12M211Final 28Torrey 29
15 Feb 2019
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You must show all your work to receive full credit. (10 pts. ) One day clyde installed tires with a larger diameter on his truck. Now his speedometer no longer shows the correct speed. When the speedometer shows 55 mph, the truck is actually traveling 60 mph. Find the formula that gives the actual speed, y, as a function of the speedometer reading, x. That is, find the equation of the line that passes through . If the speedometer shows that the truck is traveling at 35 mph, what is the actual speed? (10 pts. ) Identify the vertex and x-intercepts of the quadratic function f x. What is the midpoint of a and b? (10 pts. ) The amount of a drug in milligrams in a 40 pound dog is given by. , where t is the number of hours after injection.
