Calculate the average rate of change of a function over a specified interval.

Which expression can be used to determine the average rate of change in f(x) over the interval 2, 9?

On a coordinate plane, a curve opens down and to the right. The curve starts at (0, 0) and goes through (1, 3), (4, 6), and (7, 8).

f(9 – 2)

f(9) – f(2)

StartFraction f (9 minus 2) Over 9 minus 2 EndFraction

StartFraction f (9) minus f (2) Over 9 minus 2 EndFraction

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,

answer: 4 (:

step-by-step explanation:

wow ok so the answer is 1k or just k

because of combining like terms xd