



 
Hi Bailey I expect the diagram looks something like this. I gave $Q$ the coordinates $(x,0).$ What is the ycoordinate of $P?$ That's the height of the triangle. What is the area of this triangle? Use the calculus you know to find the value of $x$ that maximizes the area. What is the area at for value of $x?$ Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 