OpenStax, Intermediate Algebra 2e §3.5 Relations and Functions · Exercise 47 · Algebra · Graphs

Relations and Functions · Exercise 47

Solve.

The number of unwatched shows in Sylvia’s DVR is 85. This number grows by 20 unwatched shows per week. The function $N (t) = 85 + 20 t$ represents the relation between the number of unwatched shows, N, and the time, t, measured in weeks.
ⓐ Determine the independent and dependent variable.
ⓑ Find $N (4) .$ Explain what this result means

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OpenStax, Intermediate Algebra 2e · §3.5 Relations and Functions · Exercise 47

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