Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 2
B. 3
C. 
D. 
Answer: A
Mathematics
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Sketch the graph of the function.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Perform the subtraction without converting to Hindu-Arabic numerals.
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the rational expression. 
A. {x|x is a real number and x ? 0} B. {x|x is a real number and x ? 0 and x ? -4 and x ? 2} C. {x|x is a real number and x ? -4 and x ? 2} D. {x|x is a real number and x ? 0 and x ? -2 and x ? 4}
Mathematics
Name the property illustrated.1(r + 6) = (1)(r) + (1)(6) = r + 6
A. commutative property of multiplication B. identity property of multiplication C. associative property of multiplication D. distributive property
Mathematics