Question #b2d18

1 Answer
Nov 13, 2017

y >= 9

Explanation:

As the inequalities are currently stated:
{(y=2x+3,),(-1<=x>=4,"note that this simply implies: " x>=4):}

from this it follows that
y >=2xx(4)+1

rarr y >= 9

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Check that the second inequality was not intended to be
color(white)("XXX")-1 <=x color(red)(<=) 4