Answer to Question #169766 in Algebra for Ummehani

Question #169766

Two points (p,q) on a linear supply equation are (3.5,116000) and (5,180000)

Determine supply function.


1
Expert's answer
2021-03-09T03:57:55-0500

compose the equation of a line at two points:

p3.553.5=q116000180000116000p3.51.5=q11600064000q116000=640001.5(p3.5)\frac{{p - 3.5}}{{5 - 3.5}} = \frac{{q - 116000}}{{180000 - 116000}} \Rightarrow \frac{{p - 3.5}}{{1.5}} = \frac{{q - 116000}}{{{\rm{64000}}}} \Rightarrow q - 116000 = \frac{{{\rm{64000}}}}{{1.5}}\left( {p - 3.5} \right) \Rightarrow

q=1280003p1000003q=128000p1000003\Rightarrow q = \frac{{128000}}{3}p - \frac{{100000}}{3} \Rightarrow q = \frac{{128000p - 100000}}{3}


Answer: q=128000p1000003q = \frac{{128000p - 100000}}{3}


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