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how do the average rates of change for f(x)= -0.5x2 and g(x)= -1.5x2 over the interval -3 < x < 3

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User Reuscam
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1 Answer

6 votes

Answer:

Explanation:

The average rate of change of a function over an interval is given by the formula:

average rate of change = (f(b) - f(a)) / (b - a)

where a and b are the endpoints of the interval.

For the function f(x) = -0.5x^2, we have:

f(-3) = -0.5(-3)^2 = -4.5

f(3) = -0.5(3)^2 = -4.5

So the average rate of change of f(x) over the interval -3 < x < 3 is:

average rate of change = (f(3) - f(-3)) / (3 - (-3))

average rate of change = (-4.5 - (-4.5)) / 6

average rate of change = 0

For the function g(x) = -1.5x^2, we have:

g(-3) = -1.5(-3)^2 = -13.5

g(3) = -1.5(3)^2 = -13.5

So the average rate of change of g(x) over the interval -3 < x < 3 is:

average rate of change = (g(3) - g(-3)) / (3 - (-3))

average rate of change = (-13.5 - (-13.5)) / 6

average rate of change = 0

Therefore, the average rates of change for both f(x) = -0.5x^2 and g(x) = -1.5x^2 over the interval -3 < x < 3 are 0. This means that the functions are constant over this interval, and their slopes are not changing.

answered
User John Pankowicz
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9.1k points

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