Select the graph of the function. (Include two full periods.)
?
?
A. 
B. ?
C. 
D. 
E. 
Answer: C
Mathematics
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Factor the expression by removing the common factor with the smaller exponent.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Perform the indicated operations. Write the answer in simplest form.- 
÷ 
A. 
B. 3
C. - 3
D. 
Mathematics
Let ? be an acute angle. Find the unknown trigonometric value using the given information.tan ? if cot ? = 
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 4t + 8u
B. 
C. 8t + 4u
D. 
Mathematics