What is the average rate of change over the interval [-1,4]

The average rate of change over the interval [-1,4] is 7/5 or 1.4

Step-by-step explanation:

We need to find average rate of change over the interval [-1,4]

The formula used to calculate average rate of change is:

We have a= -1 and b = 4

Now finding f(a) and f(b)

Looking at the graph if we have x=-1 i.e f(-1) we get y = -7

So, f(-1) = -7

Now, Looking at the graph if we have x=4 i.e f(4) we get y = 0

So, f(4) = 0

Now, putting values and finding average rate of change

So, The average rate of change over the interval [-1,4] is 7/5 or 1.4

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