2/15
2 * 1 is 2
3 * 5 is 15

Therefore, the function is not differentiable at x = 1.

Therefore, the function is not differentiable at x = 0.
The average rate of change of the function at the interval is -8
<h3>How to determine the average rate of change?</h3>
The table that completes the question is added as an attachment
From the table, we have:
f(5) = -26
f(3) = -10
The average rate is then calculated as:
Rate = (f(5) - f(3))/(5 -3)
This gives
Rate = (-26 + 10)/(5 -3)
Evaluate
Rate = -8
Hence, the average rate of change of the function is -8
Read more about average rate of change at:
brainly.com/question/8728504
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Step-by-step explanation:
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Answer:
y= -9
Step-by-step explanation:
y+6=-3
subtract 6 from both sides
y=-9