Simplify.
4
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the polar equation.r = - 
+ cos ?
A. 
B. 
C. 
D. 
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
1646
A. Incorrect; should be 1644 B. Incorrect; should be 1648 C. Incorrect; should be 1746 D. Correct
Mathematics
Graph the inequality.x2 + y2 ? 16
A. 
B. 
C. 
D. 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = x3 + 7
A. f-1(x) = 
- 7
B. f-1(x) = 
+ 7
C. f-1(x) = 
D. f-1(x) = 
Mathematics