Question 809797
Here's a plot:
{{{ y = sqrt( x+7 ) / ( x-8 ) }}}
{{{ graph( 400, 400, -20, 20, -10, 10, sqrt( x+7 ) / ( x-8 ) ) }}}
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The domain looks like
{{{ x >= -7 }}} because there can't be a square root
of a negative number in the numerator
But the point {{{ x = 8 }}} must be excluded since
the denominator can't be = {{{ 0 }}}