Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 
C. 8z - 9
D. 
Answer: D
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = xy2 + yex2 + 5
A. 
= 2yex2(1 + 2x2); 
= 2x; 
= 
= 2y + 2xex2
B. 
= 2yex2; 
= 2x; 
= 
= 2y + 2xex2
C. 
= yex2(1 + 2x2); 
= x; 
= 
= y + xex2
D. 
= 2yex2; 
= 2x; 
= 
= 2xex2
Mathematics
Determine whether the graph is the graph of a function.
A. Not a function B. Function
Mathematics
Write as a percent. 0.9
A. 900% B. 0.9% C. 0.09% D. 90%
Mathematics
Rationalize the equation, then use it to solve the problem.Police use a formula s = S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the speed (nearest tenth) when 
What will be an ideal response?
Mathematics