Find an equation for the parabola described.Vertex at (3, -8); focus at (3, -9)
A. (x - 3)2 = -4(y + 8)
B. (x - 3)2 = 4(y + 8)
C. (y - 8)2 = -24(x + 3)
D. (y - 8)2 = 24(x + 3)
Answer: A
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.3
+ 3i
A. 6( cos 150° + i sin 150°) B. 6( cos 30° + i sin 30°) C. 6( cos 330° + i sin 330°) D. 6( cos 60° + i sin 60°)
Solve the problem. Given f(x) = 
and g(x) = 
, find f(x) + g(x).
A. 
B. 
C. 
D. 
Find the limit, if it exists.
A. - 
B. 
C. ?
D. 0
Pack-Em-In Real Estate is building a new housing development. The more houses it builds, the less people will be willing to pay, due to the crowding and smaller lot sizes. In fact, if the company builds 60 houses in this particular development, it can sell them for $190,000 each, but if it builds 70 houses, it will be able to get only $170,000 each. What is the largest possible revenue the company can get? ? $ __________
Fill in the blank(s) with the appropriate word(s).