Simplify the expression. Write the result using positive exponents only.r-4
A. r1/4
B. 
C. - 
D. -r4
Answer: B
Mathematics
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Find the limit if it exists.
(x + 1)2(x - 3)3
A. -1 B. 125 C. -9 D. 1125
Mathematics
Find the derivative.s = t7 tan t - 
A. 
= t7 sec t tan t + 7t6 tan t - 
B. 
= - t7 sec2 t + 7t6 tan t + 
C. 
= t7 sec2 t + 7t6 tan t - 
D. 
= 7t6 sec2 t - 
Mathematics
For the function f whose graph is given, determine the limit.Find
f(x).
A. ? B. -? C. does not exist D. 3
Mathematics
Use the properties of logarithms to find the value of the expression.Let logb A = 3 and logb B = -4. Find logb B2.
A. 16 B. 6 C. -8 D. -16
Mathematics