Please help me understand how to evaluate the following in an easy explanation.

first you should divide 16 to 8 then there the answer will 2 but at 8 there is minus sign so , you should put there minus so, your answer will -2.

In second portion , first you should multiply 2 into 3 answer will 6 but you should remember that minus sign minus sign (- -) will addition sign so answer will be 6

good luck on your studies! : )

david edward.

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,