CBSE Class 12-science Answered
et f R--> R be defined by f(x) = 3x -4, then find f^-1(x
Asked by kalyani | 29 Jul, 2018, 07:20: AM
f(x) = y = 3x - 4
y + 4 = 3x
x = ![begin mathsize 16px style fraction numerator straight y plus 4 over denominator 3 end fraction end style](https://images.topperlearning.com/topper/tinymce/cache/555efd8676f50ca328cc8c309a70f08b.png)
![begin mathsize 16px style fraction numerator straight y plus 4 over denominator 3 end fraction end style](https://images.topperlearning.com/topper/tinymce/cache/555efd8676f50ca328cc8c309a70f08b.png)
![begin mathsize 16px style straight f to the power of negative 1 end exponent left parenthesis straight x right parenthesis space equals space fraction numerator straight x plus 4 over denominator 3 end fraction end style](https://images.topperlearning.com/topper/tinymce/cache/b3e3576ba32b8887d25cbf4a94afbece.png)
Answered by Sneha shidid | 30 Jul, 2018, 10:30: AM
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