Determine whether the statement is true or false.If demand is inelastic for a particular value of x, a small increase in price will cause a percentage decrease in the quantity sold that is smaller than the percentage change in price.
A. True
B. False
Answer: A
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = xye-y2
A. 
= ye-y2; 
= 2xye-y2(2y2 - 6); 
= 
= e-y2(1 - 2y2)
B. 
= 0; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - 2y2)
C. 
= 0 ; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - y2)
D. 
= ye-y2; 
= 2xye-y2(y2 - 1); 
= 
= e-y2(1 - y2)
Mathematics
Plot the given polar coordinate point in the polar coordinate system.
A. 
B. 
C. 
D. 
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.125(cos 255° + i sin 255°)
A. 5 cis 175°, 5 cis 235°, 5 cis 115° B. 5 cis 85°, 5 cis 145°, 5 cis 25° C. 5 cis 85°, 5 cis 205°, 5 cis 205° D. 5 cis 85°, 5 cis 205°, 5 cis 325°
Mathematics
Perform the operations.(-3 - 2)(-2 + 5) - 33
A. 3 B. 12 C. -42 D. 27
Mathematics