Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function B. not a function
Mathematics
Find the indicated series by the given operation.Show that by integrating term by term the expansion of - 
, the result is the expansion for 
A. 
= x2 + 
x4 + 
x6 + 
x8 + . . .
B. 
= -x2 + 
x4 - 
x6 + 
x8 - . . .
C. 
= x2 - 
x4 + 
x6 - 
x8 + . . .
D. 
= -x2 - 
x4 - 
x6 - 
x8 - . . .
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log7 0.562
A. 12.4555 B. -0.2503 C. -3.3768 D. -0.2961
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 12
B. 11
C. 12
D. 13
Mathematics