Use the image to answer the question.

A curve with 2 plotted points is on a coordinate plane. The x-axis ranges from negative 7 to 7 in increments of 1. The y-axis ranges from negative 3 to 14 in increments of 1.

Calculate the average rate of change of the exponential function pictured over the given interval. Estimate the average rate of change of the quadratic function f(x)=(x−0.1)2−24.01
over the same interval. How do the two average rates of change compare?

(1 point)
Responses

These average rates of change cannot be compared.
These average rates of change cannot be compared.

The average rate of change of the exponential function is significantly greater than the average rate of change of the quadratic function.
The average rate of change of the exponential function is significantly greater than the average rate of change of the quadratic function.

The average rates of change of both functions over the interval are approximately equal.
The average rates of change of both functions over the interval are approximately equal.

The average rate of change of the quadratic function is significantly greater than the average rate of change of the exponential function.
The average rate of change of the quadratic function is significantly greater than the average rate of change of the exponential function.
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1 answer

To find the average rates of change of the two functions over the specified interval, we will need to use the formula for average rate of change between two points, which is given by:

\[ \text{Average Rate of Change} = \frac{f(b) - f(a)}{b - a} \]

Where \( f(x) \) is the function in question, \( a \) and \( b \) are the x-values of the two points.

Since the specific points of the exponential function and the interval are not provided, let's assume some general points for the analysis. For example, if the exponential function is \( f(x) = e^x \), then choose points \( a = 0 \) and \( b = 2 \):

  1. For the Exponential Function (Example: \( f(x) = e^x \)):

    • Calculate \( f(0) = e^0 = 1 \)
    • Calculate \( f(2) = e^2 \approx 7.39 \)

    \[ \text{Average Rate of Change} = \frac{e^2 - e^0}{2 - 0} = \frac{7.39 - 1}{2} \approx \frac{6.39}{2} \approx 3.195 \]

  2. For the Quadratic Function \( f(x) = (x - 0.1)^2 - 24.01 \):

    • Calculate \( f(0) = (0 - 0.1)^2 - 24.01 = 0.01 - 24.01 = -24 \)
    • Calculate \( f(2) = (2 - 0.1)^2 - 24.01 = (1.9)^2 - 24.01 \approx 3.61 - 24.01 = -20.4 \)

    \[ \text{Average Rate of Change} = \frac{-20.4 - (-24)}{2 - 0} = \frac{-20.4 + 24}{2} = \frac{3.6}{2} = 1.8 \]

  3. Comparison of Average Rates of Change:

    • Average rate of change of the exponential function: \( \approx 3.195 \)
    • Average rate of change of the quadratic function: \( 1.8 \)

From these calculations, we observe that:

The average rate of change of the exponential function is significantly greater than the average rate of change of the quadratic function.

Hence, the correct response would be:

The average rate of change of the exponential function is significantly greater than the average rate of change of the quadratic function.

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