Sketch the graph of the given equation over the interval [-2?, 2?].y = 
cos 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine if the system has no solution or infinitely many solutions. If the system has infinitely many solutions, describe the solution with the equation of a plane or an ordered triple in terms of one variable.
A. no solution B. (-1, -5, 2) C. (-1, 2, -5) D. (2, -5, -1)
Mathematics
Find the slope of the curve at the indicated point.y = 
, x = 2
A. m = 
B. m = - 
C. m = 
D. m = - 
Mathematics
Tell whether the fractions are equivalent or not equivalent.
and 
A. Equivalent B. Not equivalent
Mathematics
Find the extreme values of the function subject to the given constraint.
A. Maximum: 48 at 
minimum: -48 at 
B. Maximum: none; minimum: 48 at 
C. Maximum: 48 at 
minimum: 0 at 
D. Maximum: none; minimum: 0 at 
Mathematics