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Can someone please explain how to find the answer? My old teacher didn’t do it this way and I’m lost :/

Can someone please explain how to find the answer? My old teacher didn’t do it this-example-1

1 Answer

2 votes

Answer:

the triangle means "change in". so triangle x means the change in the x values and triangle y means change in y values so yeah mental calculate the difference

User Chmoelders
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