Which statement best illustrates using the vertical line test to determine if the graph below is a function of x? On a coordinat
2 answers:
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Start by dividing both sides by 2 to get 
. Doing the math on the right, keeping in mind that logs have an unwritten base of 10, gives us 
. Rewriting this in exponential form is 
. That means that x = 8. Not negative, only positive.