A length of rope is stretched between the top edge of a building and a stake in the ground. The head of the stake is at ground l
evel. The rope also touches a tree that is growing halfway between the stake and the building. If the the building is 36 feet tall, how tall is the tree?
2 answers:
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Answer:
D) Amplitude: 2; period: π; midline: y = 1
Step-by-step explanation:
The question is much more easily answered from the graph than from the description of the graph.
The amplitude is the extent of the peak above the midline (2), or half the peak-to-peak value (4/2=2). The midline is the line halfway between the peaks (1). The period is the horizontal distance between peaks of the same polarity (π).
