8 Question 21 (6 points)
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1
This table shows the relation between the number of hours studied and the grade earned on
the science test.
Hours Studied
0 1 2 3 4 5
Avg Grade
60 72 75 81 88 92
4
d) Evaluate f(2)

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,

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

2425

step-by-step explanation: