Determine the velocity of progress with the given equation: D = 20t + 5/t+1 when t = 4 seconds.

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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Determine the velocity of progress with the given equation: D = 20t + 5/t+1 when t = 4 seconds.
 
 
Exact solution: (Solving by differentiation)
Consider the function y = x³. What is the slope or dy/dx at point x = 3
y = x²
Let x₁ = 2.9999 and xf = 3.0001
Numerical solution: (Solving using finite difference approximation of the derivative)
dy_Vf-yi f(xf) - f (x₂)
xf - X
xf - x₂
dx
dy
dx
dy
dx
f'(3) = 3(3) ²
f'(3) = 27
=
= 3x²
(3.0001)³ - (2.9999) ³
3.0001 - 2.9999
f'(3) = 27.00000001
Transcribed Image Text:Exact solution: (Solving by differentiation) Consider the function y = x³. What is the slope or dy/dx at point x = 3 y = x² Let x₁ = 2.9999 and xf = 3.0001 Numerical solution: (Solving using finite difference approximation of the derivative) dy_Vf-yi f(xf) - f (x₂) xf - X xf - x₂ dx dy dx dy dx f'(3) = 3(3) ² f'(3) = 27 = = 3x² (3.0001)³ - (2.9999) ³ 3.0001 - 2.9999 f'(3) = 27.00000001
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