Find the domain of the rational expression. 
A. {x|x is a real number and x ? -7 and x ? 7}
B. {x|x is a real number and x ? -7 and x ? 7 and x ? -8}
C. {x|x is a real number and x ? -8 and x ? 7}
D. {x|x is a real number}
Answer: B
Mathematics
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Prove the limit statement
= 12
What will be an ideal response?
Mathematics
Give the equations of any asymptotes of the type specified for the graph of the rational function.f(x) = 
; vertical
A. x = 3, x = -7 B. y = 3, y = -7 C. x = -3, x = 7 D. y = 2
Mathematics
Write the equation of the line tangent to the curve 
at the point 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the equation.
= 
A. {4}
B. ?
C. 
D. {0}
Mathematics