Ahike climbs from an elevation of 230 feet below sea level to an elevation of 1250 feet above sea level

Not sure exactly what your asking, but if we are looking for the difference, it would be 1,020

Hope this helps you

step-by-step :

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,