Evaluate the required second order partial derivative.Find fyx(5, -2), if f(x, y) = (x - 2) ln(xy-2).
A. 1
B. -0.6
C. 0.08
D. -0.4
Answer: A
Mathematics
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Solve the problem.The rate of expenditure on a particular machine is given by M'(x) = 15x
, where x is time measured in years. Maintenance costs for the second year are $77. Find the total maintenance function.
A. M(x) = 15(x2 + 5)3/2 + 62 B. M(x) = 15(x2 + 5)3/2 - 58 C. M(x) = 5(x2 + 5)3/2 + 62 D. M(x) = 5(x2 + 5)3/2 - 58
Mathematics
Write the fraction in simplest form. Assume that all variable factors in the denominator are not equal to zero.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the sequence is geometric.3, 5, 7, 11, 13, ...
A. Geometric B. Not geometric
Mathematics
Use a graphing utility to determine which graph below is the graph of the function. 
a. 
b. 
c. 
d. 
e. 
Mathematics