Which of the following value are in the domain of the function graphed below?

Which rational number could be graphed between -4 and -5

Which choice represents the sample space ,s for this event

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