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What is the coordinate points for r(-2)=0​

What is the coordinate points for r(-2)=0​-example-1
User Djburdick
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1 Answer

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Function notation has the form r(x)=y and coordinate points are (x,y).
So in r(-2)=0, you have x = -2 and y = 0. This means you have the point (-2,0).
User Radj
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