Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 3x3 - 2x2 + 5x + 3
A. 0 positive; 1 or 2 negative
B. 0 or 1 positive; 0 or 1 negative
C. 0 or 1 positive; 2 negative
D. 0 or 2 positive; 1 negative
Answer: D
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Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 137.5 ft B. 209.5 ft C. 275 ft D. 153 ft
Provide an appropriate response.Determine whether or not the graph of y = 
is symmetric about the x-axis, the y-axis, the origin, or the line y = x.
Fill in the blank(s) with the appropriate word(s).
Find the derivative of the function.
Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 13 mph Hike: 3 mph B. Bike: 14.5 mph Hike: 4.5 mph C. Bike: 11.5 mph Hike: 1.5 mph D. Bike: 12 mph Hike: 2 mph