OpenStax, Intermediate Algebra 2e §3.5 Relations and Functions · Exercise 48 · Algebra · Graphs

Relations and Functions · Exercise 48

Solve.

Every day a new puzzle is downloaded into Ken’s account. Right now he has 43 puzzles in his account. The function $N (t) = 43 + t$ represents the relation between the number of puzzles, N, and the time, t, measured in days.
ⓐ Determine the independent and dependent variable.
ⓑ Find $N (30) .$ Explain what this result means.

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OpenStax, Intermediate Algebra 2e · §3.5 Relations and Functions · Exercise 48

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