Question 980734


We are given 


{{{R(x)}}} = {{{40x}}} - {{{0.3x^2}}}     and     {{{C(x)}}} = {{{9x}}} + {{{16}}}.


We need to find  {{{R(x)}}} - {{{C(x)}}}. 


{{{R(x)}}} - {{{C(x)}}} = {{{-0.3x^2}}} + {{{(40x - 9x)}}} - {{{16}}} = {{{-0.3x^2}}} + {{{31x}}} - {{{16}}}. 


Answer &nbsp;<B>d</B>)&nbsp; is correct.