3. (15 MARKS) A TM with stay put instead of left is similar to an ordinary TM, but the transition function has the form 8:Q xTQT {R, S} At each step, the machine can move to the right or stay on the currently scanned square. Show that this TM model is not equivalent to the standard model. What class of languages does this model recognize? 3. (15 MARKS) A TM with stay put instead of left is similar to an ordinary TM, but the transition function has the form 8:Q xTQT {R, S} At each step, the machine can move to the right or stay on the currently scanned square. Show that this TM model is not equivalent to the standard model. What class of languages does this model recognize