Find the least common denominator for the expression.
- 
A. r(r + 1)(r + 9)
B. r(r + 9)
C. (r + 9)2
D. r(r + 9)2
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Convert the units.907 mm = 
cm
A. 90,700 cm B. 9.1 cm C. 9070 cm D. 90.7 cm
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Construct a graph for the first ten terms of the sequence.an = 6; an+1 = 
A. 
B. 
C. 
D. 
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Answer the question about the given function.Given the function f(x) = -6x2 + 12x + 7, if x = 1, what is f(x)? What point is on the graph of f?
A. 13; (1, 13) B. 13; (13, 1) C. -11; (1, -11) D. -11; (-11, 1)
Mathematics