x is a variable which in math means an unknown number, since 2+2=4 the answer (If your trying to find what x is) would be x=4.
Answer:
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Step-by-step explanation:
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The correct answer is: [D]: " |45| = 45 and |-45| = -45 " .
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Answer:
The domain is all real numbers, and the range is (y ≤ 0)
Step-by-step explanation:
It's best to start graphing piecewise functions by reading the "if" statements first, and you'll most likely shorten the chance of making an error by doing so.
