Simplify the expression. Assume that all variables are positive.
A. 
B. 
C. 
D. 3
Answer: D
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = x2 + y - ex+y
A. 
= 2 - y2ex+y; 
= -x2ex+y; 
= 
= - y2ex+y
B. 
= 2 - ex+y; 
= - ex+y; 
= 
= -ex+y
C. 
= 1 - ex+y; 
= - ex+y; 
= 
= -ex+y
D. 
= 2 + ex+y; 
= ex+y; 
= 
= ex+y
Mathematics
Solve the problem.A cubic salt crystal expands by accumulation on all sides. As it expands outward find the rate of change of its volume with respect to the length of an edge when the edge is 0.200 mm.
A. 0.120 mm3/mm B. 0.02 mm3/mm C. 1.20 mm3/mm D. 12.00 mm3/mm
Mathematics
Use substitution to determine whether the given x-value is a solution of the equation.cos x + 1 = sin x, x = 
A. Yes B. No
Mathematics
Tell whether or not the rational expressions are equivalent.
, 
A. No B. Yes
Mathematics