Slope of 3 mean y=3x to find the equation we say y=3x+C then sub -2 for x and -8 for y to find the C -8=3*-2+C -8=-6+C -8+6=C -2=C so equation would be: y= 3x-2
For 300 more square feet the rent is $150 more. Rent per additional square foot is 150/300 or 0.50. For an additional 400 square feet the rent is an additional 400(0.50) or $200. The rent for 1500 feet squared office is $1325.
