Find the domain of the rational expression.
A. {x|x is a real number and x ? -1 and x ? 7}
B. {x|x is a real number and x ? -1}
C. {x|x is a real number and x ? 7}
D. {x|x is a real number}
Answer: D
Mathematics
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Divide the rational expressions.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. 
tan38t - 
tan 8t + t + C
B. 
tan38t - tan 8t + t + C
C. - 
tan38t + 
tan 8t + C
D. 
tan38t - 
tan28t + 
tan 8t + t + C
Mathematics
Identify the lines about which the figure has reflective symmetry.
A. m and o B. l, m, n, and o C. l only D. l and n
Mathematics
Find the GCD or LCM as indicated.Given 30 and 90, find the LCM.
A. 270 B. 180 C. 90 D. 30
Mathematics