Does this have a. proportional relationship

Which of the functions graphed below has a removable discontinuity?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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

Multiple questions for the same graph find the lowest value of the set of data this box-and-whisker plot represents.12131516find the upper quartile of the set of data this box-and-whisker plot represents.20151618