Question 1123170
You are given points:
( 0, 2370 )
( 2, 2340 )
I am calling year 2009 year 0
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Use the general point-slope formula
{{{ ( y - 2370 ) / ( x - 0 ) = ( 2340 - 2370 ) / ( 2 - 0 ) }}}
{{{ ( y - 2370 ) / x = -30 / 2 }}}
{{{ y - 2370 = -15x }}}
{{{ y = -15x + 2370 }}}
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2015 - 2009 = 6
{{{ y = -15*6 + 2370 }}}
{{{ y = 2280 }}} students in 2015