Fill in the blanks. 1) The graph of y 1 is obtained by shifting x+11 the graph of y 11 units to the down 2) The graph of y = e 19-x is obtained by reflecting the graph of y = e about the 19 units to the up Z axis and then shifting 3) The graph of y = cos (5x+19) is obtained by Click for List the graph of y = cos x by a factor of 1/5 and the shifting 19 units to the stretching horizontally stretching vertically compressing horizontally compressing vertically