4: What if we started with the house having a size of 1.5 ft.? If a click to go smaller reduces the size by 50%, what formula could we use that is well connected to the first one? f(x) = a(c) a is and its value is a = c is and its value is c = x represents

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Problem 4: Understanding Exponential Decay

What if we started with the house having a size of 1.5 ft.? If a click to go smaller reduces the size by 50%, what formula could we use that is well connected to the first one?

Given formula:
\[ f(x) = a(c)^x \]

Where:
- \( a \) is the initial size of the house.
- \( c \) is the reduction factor.
- \( x \) represents the number of clicks.

Based on the problem:
- \( a \) is ________ and its value is \( a = 1.5 \) ft.
- \( c \) is ________ and its value is \( c = 0.5 \) (since the size reduces by 50% each click).
- \( x \) represents ________ the number of clicks.

This formula helps us understand how the size of the house changes exponentially with each click.

**Note:** This problem involves understanding how exponential decay works, which is a crucial concept in mathematics, especially in contexts such as population decline, radioactive decay, and in this case, size reduction.
Transcribed Image Text:### Problem 4: Understanding Exponential Decay What if we started with the house having a size of 1.5 ft.? If a click to go smaller reduces the size by 50%, what formula could we use that is well connected to the first one? Given formula: \[ f(x) = a(c)^x \] Where: - \( a \) is the initial size of the house. - \( c \) is the reduction factor. - \( x \) represents the number of clicks. Based on the problem: - \( a \) is ________ and its value is \( a = 1.5 \) ft. - \( c \) is ________ and its value is \( c = 0.5 \) (since the size reduces by 50% each click). - \( x \) represents ________ the number of clicks. This formula helps us understand how the size of the house changes exponentially with each click. **Note:** This problem involves understanding how exponential decay works, which is a crucial concept in mathematics, especially in contexts such as population decline, radioactive decay, and in this case, size reduction.
### Stock Growth and Decline Formulas

#### 5. Stock Growth Formula

If you own one share of stock in GameStop that was worth $100 when you bought it, what formula would show it having 4% growth a year?

The formula given is:
\[ f(x) = a(c)^x \]

To understand the components of this formula:
- **a** is __________________ and its value is \( a = \) _______
- **c** is __________________ and its value is \( c = \) _______
- **x** represents __________________

#### 6. Stock Decline Formula

What if your hundred dollars share instead lost 4% per year? What does this formula look like?

The formula remains similar:
\[ f(x) = a(c)^x \]

We need to define the components for the decline scenario:
- **a** is __________________ and its value is \( a = \) _______
- **c** is __________________ and its value is \( c = \) _______
- **x** represents __________________

### Biological Half-Life of Medication

#### 7. Over-the-Counter Headache Reliever

The biological half-life of an over-the-counter headache reliever is 1 hour. This means that the amount of pain reliever in the body is reduced by 50% every hour. Suppose Jasper took 200 mg of this medication. Write a function \( f \) that you can use to model t hours after taking the medication.
Transcribed Image Text:### Stock Growth and Decline Formulas #### 5. Stock Growth Formula If you own one share of stock in GameStop that was worth $100 when you bought it, what formula would show it having 4% growth a year? The formula given is: \[ f(x) = a(c)^x \] To understand the components of this formula: - **a** is __________________ and its value is \( a = \) _______ - **c** is __________________ and its value is \( c = \) _______ - **x** represents __________________ #### 6. Stock Decline Formula What if your hundred dollars share instead lost 4% per year? What does this formula look like? The formula remains similar: \[ f(x) = a(c)^x \] We need to define the components for the decline scenario: - **a** is __________________ and its value is \( a = \) _______ - **c** is __________________ and its value is \( c = \) _______ - **x** represents __________________ ### Biological Half-Life of Medication #### 7. Over-the-Counter Headache Reliever The biological half-life of an over-the-counter headache reliever is 1 hour. This means that the amount of pain reliever in the body is reduced by 50% every hour. Suppose Jasper took 200 mg of this medication. Write a function \( f \) that you can use to model t hours after taking the medication.
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