Divide. Be sure your answer is simplified.
÷ 
A. 
B. 
C. 
D. 
Answer: B
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Find the limit, if it exists.
A. 0 B. 3x2 C. Does not exist D. 3x2 + 3xh + h2
Solve the problem.A driver wants to gauge the fuel efficiency of her vehicle at speeds of 30 mph and above. She notices that traveling at an average speed of 40 mph results in a rating of 40 mpg, where as at an average speed of 50 mph, her car rates 35 mpg. Find an equation to model the gas mileage y for an average speed of x mph.
A. y = 2x + 60
B. y = 2x + - 20
C. y = -
x + - 20
D. y = -
x + 60
Solve the initial value problem.
= 10t + sec2 t, r(-?) = 2
A. r = 10t2 + tan t + 2 - 10?2 B. r = 5t2 + tan t + 2 - 5?2 C. r = 5t2 + cot t + 2 - 5?2 D. r = 10 + tan t - 8
Solve the problem.Suppose that the function y = f(x) is decreasing on the interval (8, 2). What can be said about the graph of 
A. decreasing on (8, 2) B. increasing on (-8, -2) C. decreasing on (-8, -2) D. increasing on (8, 2)