The roots of the quadratic function describing the relationship bewteen number of products produced and overall profit margin are x=0 and 126. The vertex is (63, 1500). The maximum profit of dollars is reached when items are produced.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.