State the domain of the rational function.f(x) = 
A. (-?, - 2) ? (- 2, 2) ? (2, ?)
B. (-?, 2) ? (2, ?)
C. (-?, 5) ? (5, ?)
D. (-?, - 5) ? (- 5, 5) ? (5, ?)
Answer: B
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Find the volume generated by revolving the region bounded by the given curves about the y-axis. Use the method of disks.x = 5y - y2, x = 0
A. 625?
B. 
?
C. 
?
D. 
?
Round the number as requested.47,026 to the nearest hundred
A. 47,010 B. 46,900 C. 47,000 D. 47,100
Use the distributive property to simplify.
(10y - x + 6)
A. 
y2 - 
+ 2
B. 
y2 - 
+ 2y
C. 
y2 - x + 6
D. 
y2 + 
- 2y
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 8x + 16 = 0
A. Two different imaginary-number solutions B. Two different real-number solutions C. One real solution