For graph transformations of functions, I know that if there is subtraction inside the function it is shifted right, but if there is subtraction outside the function on the same side of the equation is it shifted up or down?
Blog for students in Mr. Karafiol's Period 4 Precalculus BC class to talk about math, learning math, etc.
3 Comments:
It would be shifted down, for example y-5=f(x-5) is equal to y=f(x-5)+5, so it will be shifted right 5 and down 5
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Manny,
You're correct in saying that y-5=f(x-5) is equal to y=f(x-5)+5, however that moves the graph right 5 and UP 5, but not down. To go down 5 you would need to make the equation y=f(x-5)-5.
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