Disprove each statement in Exercises 116120 by a. Letting y equal a positive constant of your choice,
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Disprove each statement in Exercises 116–120 by
a. Letting y equal a positive constant of your choice, and
b. Using a graphing utility to graph the function on each side of the equal sign. The two functions should have different graphs, showing that the equation is not true in general.
log(x + y) = log x + log y
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