Find an equivalent equation in rectangular coordinates.r(cos ? - sin ?) = 3
A. x + y = 3
B. (x - y) = 3
C. x - y = 3
D. x - y = 9
Answer: C
Mathematics
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Find the complement of a 
angle.
?
A.
B.
C.
D.
E.
Mathematics
The profit earned when n items are produced is given by the function 
. If either increasing production or decreasing production will result in a decrease in profits, what can be said about marginal profit 
?
?
A. is positive.
B. is negative.
C. is zero.
D. is linear.
Mathematics
Is the function graphed below one-to-one?
A. Yes B. No
Mathematics
L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. 1
B. 
C. 
D. 0
Mathematics