Polar coordinates of a point are given. Find the rectangular coordinates of the point.(-3, -135°)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/f2(x), x = 4
A. - 
B. - 
C. 
D. - 
Mathematics
Evaluate the integral.
A. 
(ln x7)2 + C
B. 
(ln x7)2 + C
C. 
(ln x7)2 + C
D. 
+ C
Mathematics
Perform the indicated operation. Write the answer in the form a + bi.
A. -2 + 2
i
B. -10 + 10
i
C. - 
+ 
i
D. - 
+ 
i
Mathematics
Solve the rational inequality.
+ 
? - 
A. (-?, -2 ] ? [ 1, 2) B. (-?, -4 ] ? (-2, 1] ? (2, ?) C. [-4, -2) ? [1, 2) D. [-4, -2) ? (-2, 1]
Mathematics