Find the LCD of the given rational expressions.
; 
A. r(r + 1)(r + 6)
B. (r + 6)2
C. r(r + 6)2
D. r(r + 6)
Answer: C
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Write the first four elements of the sequence. sin (n?)
A. 1, 0, -1, 0 B. 0, 1, 0, -1 C. 0, 0, 0, 0 D. 1, 1, 1, 1
For the equation, create a table, -3 ? x ? 3, and list points on the graph.2x + 3y = 6
A. 
(-3, 4), (-2, 3.33), (-1, 2.67), (0, 2),
(1, 1.33), (2, 0.67), (3, 0)
B. 
(-3, 8), (-2, 7.33), (-1, 6.67), (0, 6), (1, 5.33),
(2, 4.67), (3, 4)
C. 
(-3, 8), (-2, 6), (-1, 4), (0, 2), (1, 0),
(2, -2), (3, -4)
D. 
(-3, 0), (-2, 0.67), (-1, 1.33), (0, 2),
(1, 2.67), (2, 3.33), (3, 4)
Convert.21 milliliters to liters
A. 2100 L B. 0.021 L C. 21,000 L D. 0.21 L
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -7x2 + 11x - 5
A. (-0.68, 0.79) B. (-0.79, -0.68) C. (0.79, -0.68) D. (0.79, 0.68)