Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
#6
![**Problem 6:**
\[ p(x) = \frac{x^2 - 2x - 1}{x - 4} \]
This function represents a rational expression where the numerator is a quadratic polynomial \(x^2 - 2x - 1\) and the denominator is a linear polynomial \(x - 4\).
### Key Points to Consider:
- **Domain**: The function is defined for all real numbers except where the denominator is zero. Therefore, \(x \neq 4\) to avoid division by zero.
- **Behavior**: This type of function may have vertical asymptotes at values excluded from the domain (in this case, \(x = 4\)) and may also have a slant or curved asymptote depending on the degree difference between the numerator and denominator.
- **Simplification**: Check if the quadratic polynomial can be factored, and whether these factors reveal further characteristics of the function, such as holes or additional asymptotes.
This transcription can assist learners in understanding the structure and characteristics of rational functions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04750898-40b6-4507-9bb8-e18bccce9e61%2F9cadfc20-c2fc-44a2-8f31-e9280807da5d%2Fa5dozpw_processed.png&w=3840&q=75)
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