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03-01-2019
Mathematics

contestada

If f(x)=5x-13, then f^-1(x)=

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altavistard altavistard

06-04-2021

Answer:

f^-1(x) = (x + 13)/5

Step-by-step explanation:

1. Replace "f(x)" with "y": y = 5x - 13

2. Interchange x and y: x = 5y - 13

3. Solve this result for y:

5y = x + 13, or y = (x + 13)/5

4. Replace "y" with f^-1(x): f^-1(x) = (x + 13)/5

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