Answer the question.For the expression 
, under what conditions will its value be positive?
A. a must be real
B. a must be negative
C. a must be 0
D. a must be positive
Answer: D
Mathematics
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Set up an integral for the length of the curve.y = 
, - 
? x ? 
A. 
B. 
C. 
D. 
Mathematics
Give the appropriate form of the partial fraction decomposition.
A. 1 + 
+ 
B. 1 + 
+ 
C. 
+ 
D. 
+ 
Mathematics
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: (0, 0) , y-intercept: (0, 0) ;
B. x-intercept: (0, 0) , y-intercept: (0, 0) ;
C. x-intercept: (0, 0) , y-intercept: (0, 0) ;
D. x-intercept: (0, 0) , y-intercept: (0, 0) ;
Mathematics
Solve the equation.12d2 + 28d + 15 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, 
Mathematics