The value of a baseball card can be represented by the equation Y = 3x+39, where x represents the number of yea that Robert has owned the card and y represents the total value, in dollars, of the card. What was the value of the c
when Robert originally purchased it?

answer: ♡♡♡♡♡♡♡♡♡♡

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,

a c

step-by-step explanation:

well since the real answer is 8.9 i guess the estimation would be 9