What transformations are required to obtain the graph of the given function from the graph of y = cot x?

What transformations are required to obtain the graph of the given function from the graph of y = cotx? y = cot W X What do the transformations include? A. A vertical shrink by a factor of 1 / 3. O B. A vertical stretch by a factor of 1 / 3. O C. A vertical shrink by a factor of 7 / 2. O D. A vertical stretch by a factor of 7 / 2