Question 1152111
{{{ drawing(400,400,-5,5,-5,5,grid(1),
         green(line(0,4,2,0))) }}}<br>


Geometric solution:  A = {{{ (1/2)bh = (1/2)(2)(4) = highlight( 4 ) }}} sq units<br>

Calculus solution:  A = {{{ int((-2x+4),dx, 0, 2) }}}
     {{{ A =  -x^2 + 4x  }}} evaluated at x=2 minus value at x=0 

 {{{ A = -(2)^2 + 4(2) = -4 + 8 = 4 }}}  sq units <br>