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What is the domain of the logarithmic function 𝑦=log10(𝑥)? Give your answer using inteval notation; e.g. oc(2,3) for (2,3].

Question

What is the domain of the logarithmic function 𝑦=log10(𝑥) \log_{10}(𝑥) ?

Give your answer using interval notation; e.g. oc(2,3) for (2,3].

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Solution

Break Down the Problem

  1. Identify the properties of the logarithmic function.
  2. Determine the values of x x for which y=log10(x) y = \log_{10}(x) is defined.

Relevant Concepts

  1. The logarithmic function log10(x) \log_{10}(x) is defined for x>0 x > 0 .
  2. The domain of a function is the set of all possible input values (x-values) that does not lead to undefined results (like negative values or zero in the case of logarithms).

Analysis and Detail

  1. Since log10(x) \log_{10}(x) is only defined for positive values of x x , we can express this restriction mathematically: x>0 x > 0
  2. This means that x x can take any value greater than zero, but not equal to zero or any negative value.

Verify and Summarize

The logarithmic function y=log10(x) y = \log_{10}(x) has no issues at values of x>0 x > 0 , confirming that the domain consists solely of positive real numbers.

Final Answer

The domain of the function y=log10(x) y=\log_{10}(x) in interval notation is (0,) (0, \infty) .

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