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There are two coloured pencils: red and blue. The tip of the red pencil is ng the x-axis and the tip of the blue pencil is moving along the y-axis. The the tips of the red and blue pencils at time t are given by differentiable t) and b(t), respectively. We know that r(t) = sin(t) – 2. However, we know e tip of the blue pencil moves along the positive y-axis with b(0) = b'(0) = 1. %3D

There are two coloured pencils: red and blue. The tip of the red pencil is ng the x-axis and the tip of the blue pencil is moving along the y-axis. The the tips of the red and blue pencils at time t are given by differentiable t) and b(t), respectively. We know that r(t) = sin(t) – 2. However, we know e tip of the blue pencil moves along the positive y-axis with b(0) = b'(0) = 1. %3D

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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There are two coloured pencils: red and blue. The tip of the red pencil is moving along the x-axis and the tip of the blue pencil is moving along the y-axis. The locations of the tips of the red and blue pencils at timet are given by differentiable functions r(t) and b(t), respectively. We know that r(t) = sin(t) – 2. However, we know only that the tip of the blue pencil moves along the positive y-axis with b(0) = b'(0) = 1. We are interested in the areas of the triangles made by the two tips of the pencils and the origin. Let's denote such an area at time t by A(t). For example, at t = 0 the area is equal to A(0) = 1. (Check this to make sure you understand the question!). Find the formula for A(t) in terms of r(t) and b(t). You may want to (a) make sure that your formula gives A(0) = 1. (b) Find the rate of change of the area when t = 0.
Transcribed Image Text:There are two coloured pencils: red and blue. The tip of the red pencil is moving along the x-axis and the tip of the blue pencil is moving along the y-axis. The locations of the tips of the red and blue pencils at timet are given by differentiable functions r(t) and b(t), respectively. We know that r(t) = sin(t) – 2. However, we know only that the tip of the blue pencil moves along the positive y-axis with b(0) = b'(0) = 1. We are interested in the areas of the triangles made by the two tips of the pencils and the origin. Let's denote such an area at time t by A(t). For example, at t = 0 the area is equal to A(0) = 1. (Check this to make sure you understand the question!). Find the formula for A(t) in terms of r(t) and b(t). You may want to (a) make sure that your formula gives A(0) = 1. (b) Find the rate of change of the area when t = 0.
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