Which is true about the functional relationship shown in the graph? A. The weight of the apples is a function of the number of apples.
B. The cost of the apples is a function of the type of apples.
C. The weight of the apples is a function of their cost.
D. The cost of the apples is a function of their weight.

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