topic Point-Slope equations in PTC Mathcad
https://community.ptc.com/t5/PTC-Mathcad/Point-Slope-equations/m-p/407389#M159638
<HTML><HEAD></HEAD><BODY>Suppose that suppliers are willing to sell 5.0 million lb of coffee at a price of $8 per pound and 7.0 million lb at $9 per pound<BR /><BR />Find a linear function that expresses the amount suppliers are willing to sell as a function of the price per pound.<BR /><BR />Use the function of part (a) to predict how much suppliers are willing to sell at a price of $6 per pound.<BR /></BODY></HTML>Fri, 04 May 2018 10:24:50 GMTLWilliams-disab2018-05-04T10:24:50ZPoint-Slope equations
https://community.ptc.com/t5/PTC-Mathcad/Point-Slope-equations/m-p/407389#M159638
Suppose that suppliers are willing to sell 5.0 million lb of coffee at a price of $8 per pound and 7.0 million lb at $9 per poundFind a linear function that expresses the amount suppliers are willing to sell as a function of the price per pound.Use the function of part (a) to predictFri, 04 May 2018 10:24:50 GMThttps://community.ptc.com/t5/PTC-Mathcad/Point-Slope-equations/m-p/407389#M159638LWilliams-disab2018-05-04T10:24:50ZPoint-Slope equations
https://community.ptc.com/t5/PTC-Mathcad/Point-Slope-equations/m-p/407390#M159639
<HTML><HEAD></HEAD><BODY>Suppose that suppliers are willing to sell 5.0 million lb of coffee at a price of $8 per pound and 7.0 million lb at $9 per pound<BR /><BR />Find a linear function that expresses the amount suppliers are willing to sell as a function of the price per pound.<BR /><BR />Use the function of part (a) to predict how much suppliers are willing to sell at a price of $6 per pound.<BR /><BR />Million Pounds(MMlbs) = Function of Price(dollars)<BR />MMlbs = m(dollars)+b<BR /><BR />Point: $8 leads to 5.0 MMlbs<BR /><BR />Slope: (Change in MMlbs)/(Change in dollars)<BR />Slope: (7.0 - 5.0) / (9 - <span class="lia-unicode-emoji" title=":smiling_face_with_sunglasses:">ðŸ˜Ž</span> = 2/1 = 2<BR /><BR />MMlbs = m(dollars)+b<BR /><BR />Add the slope:<BR /><BR />MMlbs = (2)(dollars)+b<BR /><BR />Add the point<BR /><BR />5.0 = 2 (8) + b = 16+b<BR /><BR />Solve for b (subtract 16)<BR /><BR />-11=b<BR /><BR />Equation:<BR /><BR />MMlbs = (2)(dollars) - 11<BR /><BR />Check Both Points:<BR /><BR />2(8)-11 = 16-11 = 5 Check.<BR />2(9)-11 = 18-11 = 7 Check.<BR /><BR />Predict 6<BR /><BR />2(6)-11 = 12-11 = 1 Ouch! Time to apply for subsidies.<BR /></BODY></HTML>Wed, 04 Oct 2000 07:00:00 GMThttps://community.ptc.com/t5/PTC-Mathcad/Point-Slope-equations/m-p/407390#M159639TKHunny2000-10-04T07:00:00Z