Find the average rate of change for each function over the given interval. 1. y-x+ 2x between x 2 y--4-6 between x 3. y=-3x+2x - 4x +1 1 and x-3. 2 and x 67 between x=-2 and x-1 4y=2-4x + 6x between x-1 and x 4 5. y-x between x-1 and x = 4