The total simple interest owed on a loan of $8,000 after 60 months is $1,280. What is the yearly interest rate on the loan? Show your work.

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,

the equation is not included but the answer is (1.50, 2.00, 2.75)

step-by-step explanation: