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Mathematics 7 Online
OpenStudy (anonymous):

What is the vertex of the graph of y = |–x + 4| + 1? Answer (4, 5) (5, 1) (5, –1) (4, 1)

OpenStudy (anonymous):

D

OpenStudy (anonymous):

wait a minute let me confirm

OpenStudy (anonymous):

yeah d

OpenStudy (anonymous):

D 100% sure

OpenStudy (vijay):

yeap correct

OpenStudy (anonymous):

It'll be the x value where the inside of the absolute value expression goes from negative to positive. It's easy to see this will happen at x=4. To get the y value you plug it back into the function.

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