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.
![Given the function \( f(x) = 3 + 2x^2 \), calculate the following values:
\[ f(a) = \boxed{3 + 2a^2} \]
\[ f(a + h) = \boxed{3 + 2a^2 + 4ah + 2h^2} \]
\[ \frac{f(a + h) - f(a)}{h} = \boxed{} \]
**Explanation:**
This exercise involves finding expressions related to the function \( f(x) = 3 + 2x^2 \). You are tasked with substituting values into the function and simplifying them to derive the difference quotient, helping to understand concepts such as derivatives in calculus.
1. **\( f(a) \):** This is the value of the function \( f(x) \) when \( x = a \).
2. **\( f(a + h) \):** This expression represents the value of \( f(x) \) when \( x = a + h \), expanded using the binomial theorem.
3. **Difference Quotient:** The expression \( \frac{f(a + h) - f(a)}{h} \) is typically simplified to find the derivative of the function, which represents the slope of the tangent line to the curve at \( x = a \).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F58deed7b-e5cf-455c-8dcf-5c14f5ab5a29%2F78537e78-e5f9-4e57-88a6-c6027bf24baa%2Fcegemrd_processed.jpeg&w=3840&q=75)

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