theory of computing<br/><br/><img src="https://media.cheggcdn.com/media%2Fb2f%2Fb2fbd073-3b9f-449b-8db9-22532b855c02%2Fimage.png" alt="3. Let x be a positive integer represented in unary form. Construct a Turing machine to compute the function fx)-3x (replace" aria-describedby="d3f"/>3. Let x be a