Evaluate the expression.
A. 
B. 0
C. 1
D. 5
Answer: D
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State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.A state governor is planning a tax cut. A researcher calculates the average amount that will be saved by residents of the state. Which average would best convey the amount that will be saved by most residents of the state?
What will be an ideal response?
Find the derivative.s = t3 tan t - 
A. 
= t3 sec2 t + 3t2 tan t - 
B. 
= t3 sec t tan t + 3t2 tan t - 
C. 
= - t3 sec2 t + 3t2 tan t + 
D. 
= 3t2 sec2 t - 
Use a linear model to solve the application problem.The velocity of a falling object (ignoring air resistance) varies directly with its fall time. If the velocity of a falling object is 224 feet per second after 7 seconds of fall time, what will the velocity be after 9 seconds?
A. 
foot/second
B. 286 feet/second
C. 288 feet/second
D. 226 feet/second
Use a proportion to solve the problem.When a pole 2
ft high casts a shadow 1 ft long, how long a shadow is cast by a tree 5 ft tall?
A. 2
ft
B. 3 ft
C. 2 ft
D. 3
ft