Graph the piecewise function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
- 
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Convert the given equation to parametric equations. Answers may vary.x2 + y2 = 49
A. x = 49 cos t, y = 49 sin t B. x = cos t, y = sin t C. x = 7 cos t, y = 7 sin t D. x = 7 sin t, y = cos t
Mathematics
Insert ? or ? in the blank to make the statement true.? 
{6, 9, 13, 0, 10, 14}
A. ? B. ?
Mathematics