What is the length of line tAH
2 answers:
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<h3>Answer: x-4</h3>
We simply drop the absolute value signs and write whatever is inside
This is because |x-4| is really composed of two equations and it depends on what x is
If x < 4, then we use -(x-4) or -x+4
If x >= 4, then we use x-4
This is from the idea that |x| breaks down into this piecewise function
Replace every x with x-4
Then for each inequality, you would solve for x to get the following
which is the same as