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mathmath333

  • one year ago

How to read this symbol.

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  1. mathmath333
    • one year ago
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    \(\large \color{black}{\begin{align} \Large f: \large R \rightarrow R\hspace{.33em}\\~\\ \end{align}}\)

  2. ParthKohli
    • one year ago
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    A function \(f\) from \(R\) to \(R\)?

  3. mathmath333
    • one year ago
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    what is R

  4. ParthKohli
    • one year ago
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    A set (usually stands for real numbers).

  5. Empty
    • one year ago
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    R means all Real numbers. What's a real number? That includes 1, -3, 3/4, \(\sqrt 2\), and \(\pi\) and many other numbers of course!

  6. mathmath333
    • one year ago
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    \(\large \color{black}{\begin{align} f: R -\{0\} \rightarrow R\hspace{.33em}\\~\\ \end{align}}\) How about this

  7. ParthKohli
    • one year ago
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    This means that the domain is all reals except \(0\).

  8. mathmath333
    • one year ago
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    does the following mean x is all reals numbers except zero \(\large \color{black}{\begin{align} x\in R -\{0\} \hspace{.33em}\\~\\ \end{align}}\)

  9. amilapsn
    • one year ago
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    exactly

  10. mathmath333
    • one year ago
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    ok thnks

  11. anonymous
    • one year ago
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    Nice To Meet You ! Would you like to share any views about the topic ? Close this question and continue.. Cheers !

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