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mathmath333

  • one year ago

Find the domain and range of this function

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  1. mathmath333
    • one year ago
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    \(\large \color{black}{\begin{align} f(x)=|x|\hspace{.33em}\\~\\ \end{align}}\)

  2. mathmath333
    • one year ago
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    |dw:1432997599944:dw|

  3. anonymous
    • one year ago
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    for the domain, you have to look where the x exists, which is in the whole section of R, you understand?

  4. anonymous
    • one year ago
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    For the range you have to look to the graph, and where it all exists on the Y-scale (the vertical one)

  5. mathmath333
    • one year ago
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    x is all negative and positive values

  6. anonymous
    • one year ago
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    That's right, and Y?

  7. mathmath333
    • one year ago
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    y is positive values

  8. anonymous
    • one year ago
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    Indeed, so the x values are the domain and the y-values are the range.

  9. mathmath333
    • one year ago
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    how to write this in standard form

  10. anonymous
    • one year ago
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    Domain: ] -infinity, infinity[ Range : [0, infinity[ (that's how they write it in our region)

  11. mathmath333
    • one year ago
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    i have to write like this f(x)=x^2 domain of f ={x:x\(\in\) R}

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