Question 979134
if the parent function {{{y= sqrt(x)}}}, a value of {{{b = -2}}} will shift the graph down {{{2}}} units

{{{y= sqrt(x)-2}}}

{{{ graph( 300, 200, -6, 5, -10, 10,  sqrt(x),  -sqrt(x),sqrt(x)-2,  -sqrt(x)-2) }}}