Find the least common multiple.50x5y , 30x4y3 , 15x2y4
A. 75x20y12
B. 30x5y
C. 150x5y4
D. 50x5y4
Answer: C
Mathematics
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Graph a one-to-one function f(x) that meets the given criteria.f(x) is a quadratic function, the domain of f(x) is restricted to [2, ?), 
and 
A. 
B. 
C. 
D. 
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
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Add or subtract. Make sure you simplify your final answer.
- 
A. 
B. 
C. 
D. 
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Find the reciprocal of the number.18
A. 1
B. 
C. 
D. 18
Mathematics