Problem Set

1a.

The height is negative at 5 seconds because the archer climbed a tree, and 0 m is represented by the surface of the cliff. Therefore, when the arrow falls below the cliff's surface, its height is negative.

1 answ
1b.

The arrow lands in the valley below the cliff at 5.3 seconds.

1 answ
1c.

The archer's starting height is 5 meters according to Figure 1-1g.

1 answ
1d.

Because time is constant and unchangeable, altitude must be a function of time.

1 answ
1e.

Domain: 0 is less than or equal to x, which is also less than or equal to 5.3
Range: -30 is less than or equal to y, which is also less than or equal to 25

1 answ
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Precalculus with Trigonometry: Concepts and Applications, 2nd Edition

Trigonometry Q&A

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