Math Problem Statement
Solution
To analyze the given problem, we need to evaluate the average rates of change of the functions , , and over the interval .
Steps to Solve:
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Function (Graph Analysis):
- We will use the graph of to estimate the average rate of change over the interval.
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Function (Tabular Data Analysis):
- Given table of values for .
- We can use the data points to calculate the average rate of change over the interval.
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Function (Equation Analysis):
- Given .
- We can use calculus to find the average rate of change over the interval.
Detailed Calculations:
1. Function :
Using the graph, identify the values of at and .
Let's approximate:
The average rate of change for over is:
2. Function :
Using the tabular data, calculate the average rate of change over .
x & g(x) \\ \hline -4 & 98 \\ -1 & 50 \\ 2 & 20 \\ 5 & 8 \\ 8 & 14 \\ 11 & 38 \\ \end{array}$$ We will use the values at $$x = -4$$ and $$x = 5$$: $$\text{Average rate of change} = \frac{g(5) - g(-4)}{5 - (-4)} = \frac{8 - 98}{5 + 4} = \frac{-90}{9} = -10$$ #### 3. Function $$h(x)$$: For the function $$h(x) = x^2 - 5x + 42$$, calculate $$h(-4)$$ and $$h(5)$$: $$h(-4) = (-4)^2 - 5(-4) + 42 = 16 + 20 + 42 = 78$$ $$h(5) = (5)^2 - 5(5) + 42 = 25 - 25 + 42 = 42$$ The average rate of change for $$h(x)$$ over $$[-4, 5]$$ is: $$\text{Average rate of change} = \frac{h(5) - h(-4)}{5 - (-4)} = \frac{42 - 78}{5 + 4} = \frac{-36}{9} = -4$$ ### Ordering from Least to Greatest Average Rates of Change: 1. $$g(x)$$ with rate $$-10$$ 2. $$h(x)$$ with rate $$-4$$ 3. $$f(x)$$ with rate $$\approx 0.78$$ Would you like more details or have any questions? Here are some related questions for further exploration: 1. What is the significance of the average rate of change for a function over an interval? 2. How can the average rate of change be used to understand the behavior of a function? 3. How does the average rate of change differ from the instantaneous rate of change? 4. Can you derive the equation of the tangent line to $$h(x)$$ at $$x = 5$$? 5. How would you find the average rate of change for a piecewise function? **Tip:** When working with graphs, precise identification of points is crucial for accurate calculations. Using a ruler or software tools can help with better estimations.Ask a new question for Free
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Math Problem Analysis
Mathematical Concepts
Average Rate of Change
Functions
Quadratic Functions
Graph Analysis
Formulas
Average rate of change = (f(b) - f(a)) / (b - a)
h(x) = x^2 - 5x + 42
Theorems
Definition of the Average Rate of Change
Suitable Grade Level
Grades 9-12
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