Solve. Provide answers in interval notation.x2 - 3x - 10 < 0
A. (-?, -2)
B. (-?, -2) ? (5, ?)
C. (-2, 5)
D. (5, ?)
Answer: C
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Find the area of the region specified in polar coordinates.the smaller loop of the curve r = 3 + 6 sin ?
A. 
(2? + 3
)
B. 
(2? + 3
)
C. 
(2? - 3
)
D. 
(2? - 3
)
Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.{0} ? U
A. False; the empty set is a subset of set U. B. False; {0} is not a subset of set U, because 0 is not an element of U. C. True D. False; 0 is an element of set U, not a subset.
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 4 and x = 4. The cross sections perpendicular to the x-axis are circular disks whose diameters run from the parabola y = x2 to the parabola y = 32 - x2.
A. 
?
B. 
?
C. 
?
D. 
?
Solve the quadratic inequality. Write your answer in interval notation.-x2 ? 5
A. (-?, ?)
B. (-?, 0] ? [
, ?)
C. (-?, 0)
D. No solutions