Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: C
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Find the maximum and minimum values of the objective function.F = 4y - 6x, subject toy ? 2x - 6y ? -2x + 14x ? 8
A. Maximum: -8; minimum: -56 B. Maximum: -14; minimum: -56 C. Maximum: -4; minimum: -28 D. Maximum: 14; minimum: -14
Find the indicated term for the sequence.an = 3n; a4
A. 64 B. 12 C. 81 D. 27
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 245 miles in the same time that Dana travels 215 miles. If Chuck's rate of travel is 6 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 42 mph B. 43 mph C. 49 mph D. 56 mph
Solve the problem.The gas mileage, m, of a compact car is a linear function of the speed, s, at which the car is driven, for 
For example, from the graph we see that the gas mileage for the compact car is 45 miles per gallon if the car is driven at a speed of 
Find and interpret the average rate of change in gas mileage between speeds of 40 mph and 90 mph.
A. -0.5 miles per gallon/mph; Between speeds of 40 mph and 90 mph, gas mileage decreases at a rate of 0.5 miles per gallon for each 1 mph increase in speed. B. -0.75 miles per gallon/mph; Between speeds of 40 mph and 90 mph, gas mileage decreases at a rate of 0.75 miles per gallon for each 1 mph increase in speed. C. 0.5 miles per gallon/mph; Between speeds of 40 and 90 mph, gas mileage increases at a rate of 0.5 miles per gallon for each 1 mph increase in speed. D. -0.5 miles per gallon/mph; Between speeds of 40 and 90 mph, speed decreases at a rate of 0.5 miles per hour for each 1 mpg increase in gas mileage.