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Question
Find all horizontal asymptotes of the following function.

f(x)=(x-4)/(10x^(2)-56 x+64)

Question\newlineFind all horizontal asymptotes of the following function.\newlinef(x)=x410x256x+64 f(x)=\frac{x-4}{10 x^{2}-56 x+64} \newline

Full solution

Q. Question\newlineFind all horizontal asymptotes of the following function.\newlinef(x)=x410x256x+64 f(x)=\frac{x-4}{10 x^{2}-56 x+64} \newline
  1. Compare degrees: To find the horizontal asymptotes of a rational function, we need to compare the degrees of the numerator and the denominator. If the degree of the numerator is less than the degree of the denominator, the horizontal asymptote is y=0y = 0.
  2. Identify numerator degree: The degree of the numerator, which is the highest power of xx in the numerator, is 11 (since the numerator is x4x-4).
  3. Identify denominator degree: The degree of the denominator, which is the highest power of xx in the denominator, is 22 (since the denominator is 10x256x+6410x^2-56x+64).
  4. Determine horizontal asymptote: Since the degree of the numerator 11 is less than the degree of the denominator 22, the horizontal asymptote of the function is y=0y = 0.
  5. Final result: Therefore, the function f(x)=x410x256x+64f(x) = \frac{x-4}{10x^2-56x+64} has one horizontal asymptote, which is y=0y = 0.

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