Perform the indicated operation and express in lowest terms.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Plot the complex number.z = -6
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression. Do not use a calculator.sin 
- cos 
A. 
B. 
C. 0
D. 1
Mathematics
Simplify by factoring out the given factor.8k-3 + k-7; k-7
A. k-7(8k-4 + 1) B. k-7(8k5 + 1) C. k-7(8k4 + 1) D. 8 k-7(k4 + 1)
Mathematics
Fill in the blank with one of the words or phrases listed below. Some words or phrases may be used more than once.
The graphs of f and f-1 are 
about the line y = x.
A. vertical B. horizontal C. symmetric D. inverse
Mathematics