Express the following in interval notation.
A. (-?, -4)
B. (-?, -4]
C. (-4, ?)
D. [-4, ?)
Answer: C
Mathematics
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Solve the problem.Find a curve through the point 
whose length integral, 1 ? x ? 2, is 
A. y = 4x5
B. y = 
x5
C. y = 4x4
D. y = 
x4
Mathematics
Find the least common denominator of the rational expressions.
and 
A. 80x B. 20x2 C. 80x3 D. 80x2
Mathematics
Simplify.
A. 
B. 
C. 3
D. 
Mathematics
Evaluate the expression.
+ 
? 
A. 
B. 
C. - 
D. 
Mathematics