Use the function f(x) = x + 10 to answer the following question Over which interval is the average rate of change the fastest for f(x)?

Here's link to the аnswer:

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answer: a

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square