Question 988916
For {{{ 0 < x <= 1 }}}
{{{ C = 2 }}}
For {{{ 1 <  x < = 2 }}}
{{{ C = ( (x-1)/.1 )*.2 }}}
{{{ C = 2*( x-1 ) }}}
{{{ C = 2x - 2 }}}
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check:
{{{ x = 1.6 }}}
{{{ C = 2*1.6 - 2 }}}
{{{ C = 3.2 - 2 }}}
{{{ C = 1.2 }}}
Ok