The function f is one-to-one. Find its inverse.f(x) =
A. f-1(x) = 
B. f-1(x) = x3 + 25
C. f-1(x) = x3 - 5
D. f-1(x) = x - 5
Answer: C
Mathematics
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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 placed in the vault, how much time will need to pass for only 226 pounds to remain?
A. 85 years B. 160 years C. 90 years D. 80 years
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.-
A. 2x4y8 B. 2x4y12 C. 4x4y8 D. -2x12y8
Mathematics
Insert <, >, or = between the pair of numbers to form a true statement.0.189 _____ 0.179
A. < B. = C. >
Mathematics
Combine. Simplify the answer.
+ 
+ 
A. 
B. 1
C. 
D. 18
Mathematics