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\( f(x)=8 \log x-1 \) Domain: Asymptote: \( \square \)-intercept: \( \square, \square \)-intercept: \( (0, \square) \)

Ask by Martinez Cruz. in the United States
Mar 12,2025

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**Domain:** All positive real numbers, \( (0, \infty) \). **Asymptote:** Vertical asymptote at \( x=0 \). **Intercepts:** - **x-intercept:** \( \left(e^{\frac{1}{8}},\, 0\right) \) - **y-intercept:** None

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Bonus Knowledge

The domain of the function \( f(x) = 8 \log x - 1 \) is \( x > 0 \) because the logarithm is only defined for positive values. As for the asymptote, there is a vertical asymptote at \( x = 0 \), which indicates that as \( x \) approaches 0 from the right, \( f(x) \) goes to negative infinity. To find the \( y \)-intercept, set \( x = 1 \) in the function: \( f(1) = 8 \log(1) - 1 = 8(0) - 1 = -1 \). So the \( y \)-intercept is \( (0, -1) \). The \( x \)-intercept can be found by solving \( f(x) = 0 \), which leads to \( 8 \log x = 1 \) or \( \log x = \frac{1}{8} \). Thus, \( x = 10^{1/8} \).

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