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 500 pounds of the material are initially put into the vault, how many pounds will be left after 170 years?
A. 93 pounds
B. 103 pounds
C. 607 pounds
D. 376 pounds
Answer: A
Mathematics
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A. Yes B. No
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A. Period: tens, Place: tens B. Period: tens, Place: ones C. Period: ones, Place: tens D. Period: ones, Place: ones
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If ? is an angle in the indicated quadrant, determine whether the given function is positive or negative.III, csc ?
A. Positive B. Negative
Mathematics