Find the difference.-19 - (-19)

A. 57
B. 0
C. -38
D. 38

Answer: B

Mathematics

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Find the linearization of the function at the given point.  at  

A. L(x, y, z) = 4x + 5y - z + 1
B. L(x, y, z) = 4x + 5y - z
C.
D.

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Mathematics

Solve the problem.The Van der Waals equation provides an approximate model for the behavior of real gases. The equation is P(V, T) =  - , where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the partial derivative of the function with respect to each variable.

A. PV = -  + ; PT = 
B. PV = ; PT =  - 
C. PV =  - ; PT = 
D. PV =  - ; PT = 

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Mathematics

Determine whether the given equation is a rational function.f(x) = 

A. Yes B. No

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Mathematics

Solve and graph the inequality. Give answer in interval notation.-12x + 1 ? -11x + 7

A. (-?, -6]

B. [6, ?)

C. (-12, ?)

D. (-?, -12]

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Mathematics