Provide an appropriate response.For x2 + xy + yz + z2 = 6, the partial derivative 
evaluated at x = 1, y = 2, z = 1 is
A. - 
B. -1
C. - 
D. - 
E. - 
Answer: E
Mathematics
You might also like to view...
Find all possible solutions to the problem.A rectangle has an area of 42 in2. Its length and width are whole numbers. What are the possibilities for the two numbers?
A. 2 and 21, 3 and 14 , 6 and 7 B. 1 and 42, 2 and 28, 3 and 14, 6 and 7 C. 1 and 42, 2 and 21, 3 and 14 , 4 and 8, 6 and 7 D. 1 and 42, 2 and 21, 3 and 14 , 6 and 7
Mathematics
Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. 
+
A. 5x
+ y3
B. (5x + y9)
C. (5x + y3)
D. (5x3 + y3)
Mathematics
Reduce the rational expression to lowest terms.
A. 2
B. 1
C. 
D. 
Mathematics
Simplify. 33+ 5 ? 6 - (8 + 15 ? 3)
A. 94 B. 139 C. -12 D. 4
Mathematics