Find an equation of a parabola satisfying the given conditions.Focus at (2, 0), directrix x = -2
A. x = 
y2
B. -8y = x2
C. y2 = -8x
D. y = 
x2
Answer: A
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Sketch the surface z = f(x,y).f(x, y) = -x2 - y2
A. 
B. 
C. 
D. 
Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = (1 - x)(9 - x)
A. Decreasing on (-?, 1) ? (9, ?); increasing on (1, 9) B. Decreasing on (-?, -1) ? (-9, ?); increasing on (-1, -9) C. Decreasing on (1, 9); increasing on (-?, 1) ? (9, ?) D. Decreasing on (-?, 1); increasing on (9, ?)
Give an appropriate answer.The following table shows the average price of a can of stewed tomatoes in from 2006 through 2010. 
Draw a line graph that makes the increase in price look large
What will be an ideal response?
Kathy had a dream in which she was selling roses in an international market. She started out with 134 roses. Then her first customer, an Egyptian, bought 
of them. Soon afterward, a Babylonian asked to buy 
roses; later XIV roses were bought by (you guessed it) a Roman. How many roses did she have left to sell at the end of her dream?
?
__________ roses
Fill in the blank(s) with the appropriate word(s).