Use the calculator to graph the function y = x3 – 4x. Approximately on which interval is the function decreasing?
1 answer:
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Data:
h (<span>Tower height) = 120 ft
d (</span><span>Distance from the base of the tower to the airplane) = ?
</span>
(<span>Angle formed from observation of the tower to the airplane)=19º
Data: tg 19º </span>≈ 0.34
<span>
Note: </span><span>The angle formed is tangent to the height of the tower and the distance from the base of the tower to the airplane.
</span><span>Formula:
</span>
<span>
Solving:
</span>
Answer:
<span>Distance from the base of the tower to the airplane is aproximately 352.9 ft</span>
h (<span>Tower height) = 120 ft
d (</span><span>Distance from the base of the tower to the airplane) = ?
</span>
Data: tg 19º </span>≈ 0.34
<span>
Note: </span><span>The angle formed is tangent to the height of the tower and the distance from the base of the tower to the airplane.
</span><span>Formula:
</span>
<span>
Solving:
</span>
Answer:
<span>Distance from the base of the tower to the airplane is aproximately 352.9 ft</span>