Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
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Use the quotient rule to simplify the expression. Use positive exponents to write the answer.
A. - 
B. - 
C. 
D. - 
Mathematics
Add. Write the answer in lowest terms.
+ 
A. 4
B. 
C. 
D. 
Mathematics
Find the intervals where 
is increasing and where it is decreasing.
a. increasing: (9e, ?), decreasing: (0, 9e)
b. increasing:
decreasing: 
c. increasing: (90, ?), decreasing: (0, 90)
d. increasing: 
decreasing: 
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics