Solve the equation.3(2z - 4) = 5(z - 3)

A. 6
B. 3
C. 27
D. -3


Answer: D

Mathematics

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

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

Mathematics

Match the surface show below to the graph of its level curves.

A.

B.

C.

D.

Mathematics

Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x| + 5

A.

B.

C.

D.

Mathematics

Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.

A. half-open interval; {x|-9 < x ? -3}; (-9, -3] B. closed interval; {x|-9 ? x ? -3}; [-9, -3] C. half-open interval; {x|-9 ? x < -3}; [-9, -3) D. open interval; {x|-9 < x < -3}; (-9, -3)

Mathematics