MY NOTES ASK Y Suppose the price of land in a city is given by the function P ( x, y ) = 724 - 10 ( x - - - 15 (y - 1) 2 where P(x,y) is the price of land at the point (x,y) in dollars per square metre and x and y are measured in kilometres. At what point within the city is the price of land highest? O ( 2, 2) 0 (1, 2 ) O ( 1 , 1 ) 0 ( 2 2 ) 0 ( 2 1 ) O (0, 0) O None of the other answers