Use the power rules to simplify the expression. Use positive exponents to write your answer.
-5
A. 
B. 
C. - 
D. - 
Answer: D
Mathematics
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Use l'Hopital's Rule to evaluate the limit.
A. 
B. - 
C. - 
D. 
Mathematics
Solve the problem.Find all points on the curve y = cos x, 0 ? x ? 2?, where the tangent line is parallel to the line 
A. (2?, 1)
B. 
C. 
D. (?, - 1)
Mathematics
Explain whether the given equation defines an exponential function. Give the base for each exponential function.y = x9
A. Yes, the base is 9. B. No, the base is not a constant. C. Yes, the base is x. D. No, there is no exponent.
Mathematics
Solve the problem.How long will it take for $8200 to grow to $20,700 at an interest rate of 5.9% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
A. 43.10 B. 16.15 C. 15.81 D. 63.24
Mathematics