Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the interval 3 < x < 12.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

1 and 0

step-by-step explanation:

its totaly b

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