Analyze the graph of the function \( F(x)=\frac{x^{2}-12 x+32}{x^{2}-8 x+16} \).
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Bonus Knowledge
To analyze the function \( F(x) = \frac{x^{2}-12x+32}{x^{2}-8x+16} \), let's start with some key insights. First, the denominator can be rewritten as \( (x-4)^2 \), indicating a potential vertical asymptote at \( x = 4 \). The numerator, \( x^2 - 12x + 32 \), simplifies to \( (x-6)(x-6) \) when factored, resulting in a double root at \( x = 6 \). This means the function touches and bounces off the x-axis at this point. Now, let’s also consider the behavior of \( F(x) \) as \( x \) approaches infinity. As \( x \) becomes very large or very small, the leading terms dominate, allowing us to evaluate the horizontal asymptote. Both the numerator and denominator are quadratic, meaning we can simplify the function to \( F(x) \approx 1 \) as \( x \to \pm \infty \). Therefore, the horizontal asymptote is \( y = 1 \). Overall, expect a function that approaches \( y = 1 \) with a significant behavior change around \( x = 4 \) and has a bounce off at \( x = 6 \).
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