3 (-2)^2 -5 (3)+8
3 (4)-5 (3)+8
12-15+8
-3+8=5
Hope this helps :)
Average rate of change of the function: 
Step-by-step explanation:
The average rate of change of a function f(x) can be calculated as:

where:
are the x-values of the interval taken into account to evaluate the rate of change of the function
are the values of the function at those points
In this problem, we have:

The function is
, so

So, the average rate of change in this interval is:

Learn more about rates of change:
brainly.com/question/4152194
brainly.com/question/12941985
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The answer is 14.4
Hope it Helps :]
Answer:
No more
Step-by-step explanation:
Answer:
0.93333333333
Step-by-step explanation:
i got this
hope this will help you