el saldo de mi tarjeta telefónica es de 12000 si cada minuto cuesta 250 y habló durante 4 minutos Cuál será el saldo que me queda utilice espacio para hacer el proceso​

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,

for future students the answer is b

hope i

-lavira: )