The graph below shows the number of houses sold over x days. what is the average rate of change from day 2 to day 10?
-
house sales
number of houses sold
(6.6)
(2,4)
0.0)
2
12
x
4 6 8 10
number of days
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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

explanation:

step-by-step explanation:

the answer is  

a.

28 ft2

step-by-step explanation:

0

step-by-step explanation:

equals the constant of proportionality.

solve for