Four pounds of apples cost $ 5. eight pounds of apples cost $ 10. fthe total cost of apples, and, several directly with the number of pounds of apples purchased, x, what is the cost of 6 pounds of apples? round your answer to the nearest hundredth.

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