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Infinite limits challenge

You might need: Calculator

Problem

Let f(x)=lnxx. Use your calculator to fill in the missing values in the table below. Give your answer accurate to the nearest 0.01.
xf(x)
20.35
10
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
100
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
1000
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
Now use the values from the table above to find limxf(x).
Choose 1 answer:
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