The Abusua Auto Service Center can buy auto parts from Onua Auto Supply at a series discount of 20/15/5 and from Obaa Auto Supply for 25/10/8. If Abusua orders $15,000 in parts at list price per month, how much will it save in a year by choosing the lower-priced supplier?​

the answer will be the last one

mean, 40.6

step-by-step explanation:

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,

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a