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Mathematics 21 Online
OpenStudy (anonymous):

What is the graph of the absollute value of the equation? y = |x + 3| – 4

OpenStudy (oaktree):

This is the general rule for transformations. If you have a function, say absolute value, then you can write it as\[y=a \left| bx-c \right|+d\]

OpenStudy (oaktree):

In this case, a is a vertical stretch by a, b is a horizontal shrink by b, c is a shift to the right by c, and d is a shift up by d.

OpenStudy (oaktree):

So, we have c=-3 and d=4.

OpenStudy (oaktree):

Sorry, d=-4.

OpenStudy (oaktree):

This means that the function is being shifted 3 units left and 4 units down.

OpenStudy (oaktree):

Does that make sense?

OpenStudy (anonymous):

Kind of does let me show you what one i think it is... one sec

OpenStudy (anonymous):

Is this the one it is?

OpenStudy (oaktree):

That's the one!

OpenStudy (anonymous):

Thank you both so much!

OpenStudy (anonymous):

Yes it did!

OpenStudy (anonymous):

Thank you also for the calculator it helped show me the steps as well!

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