4. The movement of a certain glacier can be modelled by d(t) = 0.01t² + 0.5t, where dis the distance, in metres, that a stake on the glacier has moved, relative to a fixed position, t days after the first measurement was made. Estimate the rate at which the glacier is moving after 20 days.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
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Chapter6: Topics In Analytic Geometry
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4. The movement of a certain glacier can be
modelled by d(t) = 0.01²+ 0.5t, where dis
the distance, in metres, that a stake on the
glacier has moved, relative to a fixed position,
t days after the first measurement was made.
Estimate the rate at which the glacier is moving
after 20 days.
Transcribed Image Text:4. The movement of a certain glacier can be modelled by d(t) = 0.01²+ 0.5t, where dis the distance, in metres, that a stake on the glacier has moved, relative to a fixed position, t days after the first measurement was made. Estimate the rate at which the glacier is moving after 20 days.
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