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3.5 Exercise 30

Avg difficulty 2.5

The number of unread emails in Anthony’s account is 110. This number grows by 25 unread emails a day. The function N(t)=110+25tN \left(t\right) = 110 + 25 t represents the relation between the number of emails, N, and the time, t, measured in days.

ⓐ Determine the independent and dependent variable.

ⓑ Find N(14).N \left(14\right) . Explain what this result means.

OpenStax Intermediate Algebra 2e, 3.5 Relations and Functions, exercise 30

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.