Anna rides her bicycle for 8 hours and is 82 miles from her house. After riding for 11 hours, she is 112 miles away. What is Anna’s average rate during her trip?

mr. graef told us it is 13 pints

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,