## Related questions with answers

Question

The human ear can distinguish sounds between 20 Hz and 20,000 Hz, inclusive. Give a compound inequality for the problem and graph your solution.

Solution

VerifiedStep 1

1 of 3$\textbf{Reasoning:}$

The human ear can distinguish sounds between $20 \ \mathrm { Hz }$ and $20,000 \ \mathrm { Hz },$ inclusive.

Let $x$ be the frequency of the sound.

Therefore, we get the following compound inequality:

$20\leq x \leq 20,000$

Graphical representation:

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