Evaluate.-124
A. 24
B. -24
C. -1
D. 1
Answer: C
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
Convert the improper fraction to a mixed number.
A. 6
B. 7
C. 5
D. 6
Mathematics
Use the basic identities to simplify the expression.
- sec ?
A. -3 B. 2 sec2 ? - 3 C. 3 D. 0
Mathematics
Use transformations to graph the function.y = sin (?x)
A. 
B. 
C. 
D. 
Mathematics