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mathmath333

  • one year ago

Find the inverse function

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  1. mathmath333
    • one year ago
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    \(\large \color{black}{\begin{align} & \normalsize \text{Find the inverse of } \hspace{.33em}\\~\\ & f(t)=\dfrac{10^{t}-10^{-t}}{10^{t}+10^{-t}} \hspace{.33em}\\~\\~\\~\\ & a.)\ \dfrac12 \times \log_{10} \left(\dfrac{1-t}{1+t}\right) \hspace{.33em}\\~\\ & b.)\ \dfrac12 \times \log_{10} \left(\dfrac{t-1}{t+1}\right) \hspace{.33em}\\~\\ & c.)\ \dfrac12 \times \log_{10} (2t-1) \hspace{.33em}\\~\\ & d.)\ \text{none of these} \hspace{.33em}\\~\\ \end{align}}\) i think its d.)

  2. alekos
    • one year ago
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    I get 1/2 log[(t+1)/1-t)]

  3. mathmath333
    • one year ago
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    the book has given option b.) as correct.

  4. alekos
    • one year ago
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    ok, must have one of the steps incorrect

  5. TheCatMan
    • one year ago
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    is it a mc graw hill book ive spent hours on mistakes by the company with 4 math teachers. dont trust the book entirely.

  6. mathmath333
    • one year ago
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    i also get the same as alekos

  7. TheCatMan
    • one year ago
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    i sight with @alekos

  8. mathmath333
    • one year ago
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    which book u talking about

  9. TheCatMan
    • one year ago
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    the McGraw Hill standard algebra 1 b

  10. TheCatMan
    • one year ago
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    the 2014 edition

  11. alekos
    • one year ago
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    yeah the book's wrong. just double checked my steps.

  12. alekos
    • one year ago
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    thanks guys

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