Evaluate by rewriting the expression as a reciprocal of the sine, cosine, or tangent function.cot 
A. 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Give an appropriate answer.If f(x, y, z) = x2y2 + xyz + y2z2 find fxz(x, y, z).
A. y B. xz C. 2yz D. 2xy
Mathematics
Solve the system of equations by graphing.
A. (-2, -5) B. no solution C. (2, 5) D. (-5, -2)
Mathematics
Find the given limit by evaluating the derivative of a suitable function at an appropriate point.
?
?
A. 21 B. 35 C. 34 D. 16
Mathematics
Find all solutions of the following equation algebraically.
a. x = 22
b. 
c. 
d. x = 122
e. 
Mathematics