Question 941793
{{{ y = ( 91 + 88 + 79 + 92 + 2x ) / 5 }}}
{{{ y = ( 350 + 2x ) / 5 }}}
{{{ y = 70 + ( 2/5)*x }}}
Note that student can not do better than {{{ x=100 }}}
on the final exam.
The average can't be greater than {{{ y = 100 }}}
Here's the plot:
{{{ graph( 400, 400, -10, 140, -10, 140, 70 + (2/5)*x) }}}