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Which statement best describes the limit shown below?

lim_(x rarr oo)(x^(14))/(x^(73))
The limit equals zero
The limit does not exist
The limit exists and does not equal zero

Which statement best describes the limit shown below?\newlinelimxx14x73 \lim _{x \rightarrow \infty} \frac{x^{14}}{x^{73}} \newlineThe limit equals zero\newlineThe limit does not exist\newlineThe limit exists and does not equal zero

Full solution

Q. Which statement best describes the limit shown below?\newlinelimxx14x73 \lim _{x \rightarrow \infty} \frac{x^{14}}{x^{73}} \newlineThe limit equals zero\newlineThe limit does not exist\newlineThe limit exists and does not equal zero
  1. Given Limit Expression: We are given the limit expression limx(x14x73)\lim_{x \to \infty}\left(\frac{x^{14}}{x^{73}}\right). To find the limit as xx approaches infinity, we need to analyze the behavior of the function.
  2. Simplify by Subtracting Exponents: We can simplify the expression by subtracting the exponents of xx in the numerator and the denominator since they have the same base and we are dividing them.\newlinelimx(x14)/(x73)=limxx1473\lim_{x \to \infty}(x^{14})/(x^{73}) = \lim_{x \to \infty} x^{14-73}
  3. Analysis of Function Behavior: After subtracting the exponents, we get:\newlinelimxx59\lim_{x \to \infty} x^{-59}\newlineThis means that as xx approaches infinity, the function is xx raised to the power of negative fifty-nine.
  4. Negative Exponent Interpretation: A negative exponent means that the function is the reciprocal of xx raised to the positive exponent. Therefore, x59x^{-59} is equivalent to 1/(x59)1/(x^{59}).\newlinelimxx59=limx1/(x59)\lim_{x \to \infty} x^{-59} = \lim_{x \to \infty} 1/(x^{59})
  5. Approaching Zero: As xx approaches infinity, the denominator x59x^{59} becomes larger and larger, making the whole fraction smaller and smaller, approaching zero.\newlinelimx1x59=0\lim_{x \to \infty} \frac{1}{x^{59}} = 0

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