Graph the system of inequalities.4x + 3y ? 12x ? y 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y, z) = x2y + y2z + xz2
A. 
= 2y + z2; 
= x2 + 2z; 
= y2 + 2x
B. 
= 2xy + z2; 
= x2 + 2yz; 
= y2 + 2xz
C. 
= 2xy; 
= x2 + 2yz; 
= y2 + 2xz
D. 
= 2xy + z2; 
= x2 + yz; 
= y2 + xz
Mathematics
Solve the problem.After one round in a card game, your score was 32 points. After the second round, your score was 
How many points did you lose in the second game?
A. -26 points B. -38 points C. 6 points D. 26 points
Mathematics
Identify the equation as either an identity or not.cos2x + cos2y = cos (x + y) cos (x - y)
A. Not an identity B. Identity
Mathematics
Solve the logarithmic equation.log (x + 4) = log (4x - 2)
A. 
B. 
C. 
D. 
Mathematics