Subjects algebra

Table Data Analysis 8Ffe1A

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1. The problem presents a table with two rows: the first row contains the numbers 1, 2, 3, and 4, and the second row contains the values 178.39, 213.86, 257.14, and 307.95 respectively. 2. We can interpret this as a set of points $(x, y)$ where $x$ is from the first row and $y$ is from the second row: $(1, 178.39)$, $(2, 213.86)$, $(3, 257.14)$, $(4, 307.95)$. 3. To analyze the relationship between $x$ and $y$, we can check if the data fits a linear model $y = mx + b$. 4. Calculate the slope $m$ using two points, for example points 1 and 2: $$m = \frac{213.86 - 178.39}{2 - 1} = 35.47$$ 5. Calculate the intercept $b$ using point $(1, 178.39)$: $$b = y - mx = 178.39 - 35.47 \times 1 = 142.92$$ 6. The linear equation approximating the data is: $$y = 35.47x + 142.92$$ 7. Verify with another point, for example $x=3$: $$y = 35.47 \times 3 + 142.92 = 106.41 + 142.92 = 249.33$$ This is close to the actual 257.14, indicating a reasonable linear fit. 8. Therefore, the data can be modeled approximately by the linear function $y = 35.47x + 142.92$. This completes the analysis of the given table data.