Determine the absolute value.

A. - 1
B.
C. 5
D. 1


Answer: D

Mathematics

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Simplify. If an expression does not represent a real number, state this. 

A. 5 B. 204.8 C. 4 D. not a real number

Mathematics

Find dy.y = cos(5)

A.  dx
B.  dx
C.  dx
D.  dx

Mathematics

Find all the second order partial derivatives of the given function.f(x, y) = 

A.  = -  =  ;   =  =  
B.  = -  =  ;   =  =  
C.  = -  =  ;   =  =  
D.  =  = - ;   =  =  

Mathematics

Provide an appropriate response.Suppose the number of fleas N (in thousands) in a given area is related to the number of pounds of insecticide x sprayed on the nesting areas according to Nx - 9x + N = 250. Find , the rate of change of the number of fleas with respect to the number of pounds of insecticide.

What will be an ideal response?

Mathematics