Simplify the expression. If any variables exist, assume that they are positive.
+ 
A. 4x
B. 4
C. 
D. 2
Answer: B
Mathematics
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How long will it take $200 to triple itself if it is invested at 8% interest compounded continuously? Please round the answer to the nearest tenth.
A. 12.7 years B. 14.2 years C. 16.7 years D. 14.7 years E. 13.7 years
Mathematics
Use the distributive property to simplify the radical expressions.
(2 + 
)
A. 8
B. 2
+ 6
C. 3
D. 12
Mathematics
Solve the problem.Does the graph of the function y = 2x + 4 sin x have any horizontal tangents in the interval 
If so, where?
A. Yes, at x = 
, x = 
B. No
C. Yes, at x = 
D. Yes, at x = 
, x = 
Mathematics
Perform the indicated operation. Write the answer in scientific notation.0.00000234 × 0.0000003674 Give the answer to three significant digits.
A. 8.60 × 10-12 B. 0.860 × 10-13 C. 8.60 × 10-14 D. 8.60 × 10-13
Mathematics