If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = 20x5 + 6x - 1
A. Degree: 6; leading coefficient: 20
B. Not a polynomial function.
C. Degree: 20; leading coefficient: 5
D. Degree: 5; leading coefficient: 20
Answer: D
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Express as a single logarithm and, if possible, simplify.logb 3x + 4(logb x - logb y)
A. 
B. logb 
C. logb (3x + x4 - y4)
D. logb 
Solve the problem.John does 8 pushups on the first day of a 30-day month, and then increases the number of pushups by 2 pushups a day. How many pushups has he done by the end of the month?
A. 1140 pushups B. 1110 pushups C. 1170 pushups D. 1102 pushups
Solve the problem.The velocity of water in ft/s at the point of discharge is given by 
where P is the pressure 
of the water at the point of discharge. Find the rate of change of the velocity with respect to pressure if the pressure is 
A. 1.57 ft/s per lb/in2 B. 55.01 ft/s per lb/in2 C. 0.7859 ft/s per lb/in2 D. 0.0939 ft/s per lb/in2
Solve.A ball is dropped from a height of 25 feet. Each time it strikes the ground, it bounces up to 0.7 of the previous height. The total distance the ball has traveled before the second bounce is 
feet, and the total distance the ball has traveled before bounce n + 1 is 25 + 
feet.Use facts about infinite geometric series to calculate the total distance the ball has traveled by the time it has stopped bouncing.
A. 141
feet
B. 140
feet
C. 141
feet
D. 144
feet