Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the range for the set of data given.
A. 138 B. 117 C. 519 D. 551
Mathematics
Solve the equation. Write the answer in a + bi form.x2 - i = 0
A. -1, 1
B. -i, i
C. 
+ 
, - 
- 
D. 
- 
, - 
+ 
Mathematics
Find the average rate of change for the function over the given interval.y = 6x3 between x = -1 and x = 1
A. 12 B. 0 C. 6 D. -6
Mathematics
Find the exact circumference of the circle in terms of ?.
A. 729.01? units B. 54.2? units C. 13.5? units D. 27.1? units
Mathematics