Determine which value(s), if any, must be excluded from the domain of the variable in the expression.

A. x = -2
B. x = 0, x = - 
C. x = -4
D. none


Answer: D

Mathematics

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Fill in the blank with one of the words or phrases listed below.The solution(s) to the equation x + 5 = x + 4 is/are .

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The rate of change of the total number, in thousand of articles, of research articles in the prominent journal Physics Review written by researchers in Europe is shown in the graph, where t is time in years represents the start of 1983). Use both left and right Riemann sums with 8 subdivisions

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Mathematics