in todays class we learned how to shift a function either left or right, or up and down. lets say y=x^2 is our reference, to shift it 3 units left it would be y=(x+3)^2 and right would be y=(x-3)^2.
moving y=x^2 5 units up would be y=x^2+5 and down would be y=x^2-5
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