Solve the problem.A ball is thrown vertically upward from the ground at a velocity of 144 feet per second. Its distance from the ground after t seconds is given by 
How fast is the ball moving 5 seconds after being thrown?
A. -31 ft per sec
B. -16 ft per sec
C. 64 ft per sec
D. 320 ft per sec
Answer: B
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Solve the problem.The population of a town was 29,800 at the beginning of 1970. If the population decreased 350 people per year, how many people lived in the town at the beginning of 1985?
A. 24,550 people B. 24,900 people C. 5250 people D. 24,200 people
List the numbers in increasing order from least to greatest.-17, 6, 0, -40
A. 6, 0, -17, -40 B. -40, -17, 0, 6 C. 0, -40, -17, 6 D. -17, -40, 0, 6
Solve the problem.The function A = Aoe-0.0099x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 300 pounds of the material are initially put into the vault, how many pounds will be left after 150 years?
A. 70 pounds B. 68 pounds C. 321 pounds D. 217 pounds
Determine whether or not the function is one-to-one.f(x) = 3x2 + 2
A. Yes B. No