Which expression represents a difference of squares? A. 4x2 − 16x B. t2 + 100 C. 25k − 64 D. 81 − 49y2
1 answer:
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Given:
Consider the given function is:
To find:
The average rate of change of the function over the interval .
Solution:
The average rate of change of the function f(x) over the interval [a,b] is:
We have,
At ,
At ,
Now, the average rate of change of the function f(x) over the interval is:
Therefore, the average rate of change of the function f(x) over the interval is -3.