OpenStax, Contemporary Mathematics §5.7 Functions · Example 2 · Algebra · Functions

Functions · Example 2

The number of unread emails in Sylvia’s inbox is 75. This number grows by 10 unread emails a day. The function $N (t) = 75 + 10 t$ represents the relation between the number of emails, $N$ , and the time, $t$ , measured in days. Find $N$ (5). Explain what this result means.

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OpenStax, Contemporary Mathematics · §5.7 Functions · Example 2

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