Solve the problem.If 3-x = , what does 9x equal?

A. -25
B.
C. 5
D. 25


Answer: D

Mathematics

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Perform the indicated operation. ? 

A.
B.
C.
D.

Mathematics

Find the inverse of the function.f(x) = 5x

A. f-1(x) = x5 B. f-1(x) = ln(5x) C. f-1(x) = log5 x D. f-1(x) = logx 5

Mathematics

Solve the inequality. Write the solution set in interval notation. > 

A.  
B.  ? 
C. (-?, ?)
D.  ? 

Mathematics

Solve.The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model  By what percentage is the account increasing each year?

A. 6.8% B. 6.1% C. 6.5% D. 6.7%

Mathematics