Math Problem Statement
Solution
Let's analyze the table and answer the question step by step.
Table Information:
Years (x) | Money in Account (f(x)) |
---|---|
1 | 261.29 |
2 | 289.74 |
3 | 322.26 |
4 | 356.28 |
Step 1: Identify the Type of Growth (Linear vs Exponential)
- Linear growth: The difference between consecutive values is constant.
- Exponential growth: The ratio between consecutive values remains constant.
Let's check if the changes between consecutive years are consistent.
Difference Check (Linear Model):
The differences between consecutive years are not exactly constant, meaning linear growth may not be a perfect fit.
Ratio Check (Exponential Model):
The ratios are quite close to each other (around 1.11), suggesting that the data follows exponential growth.
Step 2: Complete the Answer
- Exponential function would better model the data because as increases, the y values change by a constant ratio.
- The growth factor of this function is approximately 1.11.
Do you want further details on how we arrived at these conclusions or need help with submitting the answer?
Here are 5 follow-up questions:
- What is the general formula for an exponential function?
- How can we fit an exact exponential equation to this data?
- How do you distinguish between linear and quadratic models?
- What would the predicted value be for year 5 using the exponential model?
- How can you calculate the percent increase for each year?
Tip: When checking for exponential growth, calculating both differences and ratios helps confirm the correct model.
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Math Problem Analysis
Mathematical Concepts
Algebra
Exponential Growth
Function Modeling
Formulas
Exponential function: f(x) = a * r^x
Theorems
Properties of Exponential Growth
Suitable Grade Level
Grades 8-10
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