The line graph to the right shows the average gasoline prices of a country from 1985 through 2010. Let p, q, and r represent the following simple statements. p: Prices peaked in 2005. q: Prices remained steady from 1990 through 1995. r: Prices were more than $2.75 per gallon in 2000. 2 Write the symbolic statement par in words. Then use the information given by the graph to determine the truth value of the statement. 6--- Average Price per Gallon (unleaded regular) Average Gasoline Prices $4.00- $3.00- $2.00- $1.00 50.00- 1990 OA. Prices did not peak in 2005 and prices were more than $2.75 per gallon in 2000. OB. Prices peaked in 2005 and were less than $2.75 per gallon in 2000. OC. Prices peaked in 2005 and prices were more than $2.75 per gallon in 2000. OD. Prices did not peak in 2005 and prices were less than $2.75 per gallon in 2000. 2000 2010 Year 73°F Clear Q 40
The line graph to the right shows the average gasoline prices of a country from 1985 through 2010. Let p, q, and r represent the following simple statements. p: Prices peaked in 2005. q: Prices remained steady from 1990 through 1995. r: Prices were more than $2.75 per gallon in 2000. 2 Write the symbolic statement par in words. Then use the information given by the graph to determine the truth value of the statement. 6--- Average Price per Gallon (unleaded regular) Average Gasoline Prices $4.00- $3.00- $2.00- $1.00 50.00- 1990 OA. Prices did not peak in 2005 and prices were more than $2.75 per gallon in 2000. OB. Prices peaked in 2005 and were less than $2.75 per gallon in 2000. OC. Prices peaked in 2005 and prices were more than $2.75 per gallon in 2000. OD. Prices did not peak in 2005 and prices were less than $2.75 per gallon in 2000. 2000 2010 Year 73°F Clear Q 40
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:**Transcription and Explanation for Educational Website**
The line graph shown depicts average gasoline prices in a country from 1985 through 2010.
### Key Statements
Let p, q, and r represent the following simple statements:
- **p:** Prices peaked in 2005.
- **q:** Prices remained steady from 1990 through 1995.
- **r:** Prices were more than $2.75 per gallon in 2000.
**Problem Statement:**
Write the symbolic statement \( \sim p \land r \) in words. Use the information from the graph to determine the truth value of the statement.
**Answer Choices:**
- **A:** Prices did not peak in 2005, and prices were more than $2.75 per gallon in 2000.
- **B:** Prices peaked in 2005 and were less than $2.75 per gallon in 2000.
- **C:** Prices peaked in 2005 and prices were more than $2.75 per gallon in 2000.
- **D:** Prices did not peak in 2005, and prices were less than $2.75 per gallon in 2000.
### Graph Explanation
The graph titled “Average Gasoline Prices” has the vertical axis labeled as “Average Price per Gallon (unleaded regular)” ranging from $0.00 to $4.00. The horizontal axis is labeled “Year,” spanning from 1985 to 2010. The line trend shows a general increase in prices, peaking around 2005 at over $3.00 per gallon and decreasing toward 2010.
- Prices in 2000 appear to be around $1.50 per gallon, which is less than $2.75.
- The peak in 2005 is evident, confirming statement \( p \).
### Conclusion
The graph suggests that statement \( \sim p \land r \): "Prices did not peak in 2005, and prices were more than $2.75 per gallon in 2000" is false, as prices did peak in 2005 and were not more than $2.75 in 2000.

Transcribed Image Text:The section contains information on the average gasoline prices in a country from 1985 through 2010, interpreting a line graph.
### Statements and Variables
- **p**: Prices peaked in 2005.
- **q**: Prices remained steady from 1990 through 1995.
- **r**: Prices were more than $2.75 per gallon in 2000.
### Task
- Write the symbolic statement \(\sim p \land r\) in words.
- Use the graph to determine the truth value of the statement.
### Graph Explanation
The graph titled "Average Gasoline Prices" depicts the fluctuating average price per gallon (unleaded regular) over the years 1985 to 2010. The y-axis ranges from $0.00 to $4.00, while the x-axis spans the years from 1985 to 2010.
#### Observations:
- Prices increase significantly from 1985 to 2005.
- A noticeable peak appears around 2005.
- Prices show a decline after 2005.
### Options for Interpretation
- **Option B**: Prices peaked in 2005 and were less than $2.75 per gallon in 2000.
- **Option C**: Prices peaked in 2005 and prices were more than $2.75 per gallon in 2000.
- **Option D**: Prices did not peak in 2005 and prices were less than $2.75 per gallon in 2000.
Using the information from the graph, determine which options are true or false based on the statement \(\sim p \land r\).
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