Express as a single logarithm and, if possible, simplify. log (y2 - 3y + 2) - log (y2 - 1)
A. 
B. log 
C. log 
D. log(-3y + 3)
Answer: B
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.
t = 4 if s = t2 - t
A. 
= 2 - t; 
t = 4
= -2
B. 
= 2t - 1; 
t = 4
= 7
C. 
= 2t + 1; 
t = 4
= 9
D. 
= t - 1; 
t = 4
= 3
Mathematics
Find an equation for the surface consisting of all points that are equidistant from the point (0,-2,0) and the plane y=2.
What will be an ideal response?
Mathematics
Solve the inequality. Write the solution set in interval notation.(x + 5)(x + 4) > 0
A. [-5, -4] B. (-?, -5] ? [-4, ?) C. (-5, -4) D. (-?, -5) ? (-4, ?)
Mathematics
Rationalize the denominator.
A. 41x
B. 
C. 5
D. 
Mathematics