What is the rate of change of 4,15 and 8,30
To find the rate of change between the points (4,15) and (8,30), we can use the formula:
Rate of change = (change in y-coordinates) / (change in x-coordinates)
Change in y-coordinates = 30 - 15 = 15
Change in x-coordinates = 8 - 4 = 4
Rate of change = 15/4 = 3.75
Therefore, the rate of change between the points (4,15) and (8,30) is 3.75.