I NEED HELP PLEASE THANKS.

100 points, hi, i’m not sure how to get the equation from the graph and table.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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