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Graph the rational function. \[ f(x)=\frac{3 x-3}{-x+2} \] Start by drawing the vertical and horizontal asymptotes. Ther

Ask by Wyatt Brewer. in the United States
Mar 14,2025

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To graph the function \( f(x) = \frac{3x - 3}{-x + 2} \), follow these steps: 1. **Vertical Asymptote**: Set the denominator equal to zero to find \( x = 2 \). 2. **Horizontal Asymptote**: Since the degrees of numerator and denominator are the same, the horizontal asymptote is \( y = -3 \). 3. **Intercepts**: - \( x \)-intercept at \( x = 1 \). - \( y \)-intercept at \( y = -\frac{3}{2} \). 4. **Graph**: - Draw vertical and horizontal asymptotes at \( x = 2 \) and \( y = -3 \). - Plot the intercepts. - Sketch the curve using the factored form \( f(x) = -3 - \frac{3}{x - 2} \). This will help in accurately graphing the function.

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To identify the vertical asymptote, set the denominator \(-x+2 = 0\). This gives \(x = 2\) as the vertical asymptote. For the horizontal asymptote, determine the degrees of the numerator and denominator. Since both are linear, the horizontal asymptote is found by taking the leading coefficients: \(y = \frac{3}{-1} = -3\). Now plot the lines \(x = 2\) and \(y = -3\) on your graph! Next, check for intercepts to get a fuller picture. The x-intercept occurs when the numerator is zero, so \(3x - 3 = 0\) yields \(x = 1\). The y-intercept happens when \(x = 0\), giving \(f(0) = \frac{3(0)-3}{-0+2} = -\frac{3}{2}\). Plot these intercepts to help shape the graph around the asymptotes for a clear representation of the function's behavior!

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