Calculus: Graphical, Numerical, Algebraic

3rd Edition

ISBN: 9780133688399

Author: Finney, Ross L.

Publisher: Pearson/Prentice Hall

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Question

Chapter 1.2, Problem 44E

To determine

To find: The piecewise formula for the given function.

Expert Solution & Answer

Answer to Problem 44E

The piecewise function for the given graph of function is y={−3x−3, −1<x≤0−2x+3, 0<x≤2.

Explanation of Solution

Given information: The graph of the function is:

Calculus: Graphical, Numerical, Algebraic, Chapter 1.2, Problem 44E

Calculation:

The graph of the function consists of two straight lines passing through the points (−1,0) , (0,−3) and (0,3) , (2,−1).

Use the formula for the slope of line that passes through (−1,0) and (0,−3).

m=y2−y1x2−x1=−3−00−(−1)=−31=−3

The equation of the line passing through the points (−1,0) and (0,−3).

y−y0=m(x−x0)y−0=−3(x−(−1))y=−3(x+1)y=−3x−3

So, the equation of the first line is y=−3x−3 defined for −1<x≤0.

Use the formula for the slope of line that passes through (0,3) and (2,−1).

m=y2−y1x2−x1=−1−32−0=−42=−2

The equation of the line passing through the points (0,3) and (2,−1).

y−y0=m(x−x0)y−3=−2(x−0)y−3=−2xy=−2x+3

So, the equation of the second line is y=−2x+3 defined for 0<x≤2.

Therefore, the piecewise function for the given graph of function is y={−3x−3, −1<x≤0−2x+3, 0<x≤2.

Chapter 1.2, Problem 43E

Chapter 1.2, Problem 45E

Chapter 1 Solutions

Calculus: Graphical, Numerical, Algebraic

Ch. 1.1 - Prob. 1QR Ch. 1.1 - Prob. 2QR Ch. 1.1 - Prob. 3QR Ch. 1.1 - Prob. 4QR Ch. 1.1 - Prob. 5QR Ch. 1.1 - Prob. 6QR Ch. 1.1 - Prob. 7QR Ch. 1.1 - Prob. 8QR Ch. 1.1 - Prob. 9QR Ch. 1.1 - Prob. 10QR

Ch. 1.1 - Prob. 1E Ch. 1.1 - Prob. 2E Ch. 1.1 - Prob. 3E Ch. 1.1 - Prob. 4E Ch. 1.1 - Prob. 5E Ch. 1.1 - Prob. 6E Ch. 1.1 - Prob. 7E Ch. 1.1 - Prob. 8E Ch. 1.1 - Prob. 9E Ch. 1.1 - Prob. 10E Ch. 1.1 - Prob. 11E Ch. 1.1 - Prob. 12E Ch. 1.1 - Prob. 13E Ch. 1.1 - Prob. 14E Ch. 1.1 - Prob. 15E Ch. 1.1 - Prob. 16E Ch. 1.1 - Prob. 17E Ch. 1.1 - Prob. 18E Ch. 1.1 - Prob. 19E Ch. 1.1 - Prob. 20E Ch. 1.1 - Prob. 21E Ch. 1.1 - Prob. 22E Ch. 1.1 - Prob. 23E Ch. 1.1 - Prob. 24E Ch. 1.1 - Prob. 25E Ch. 1.1 - Prob. 26E Ch. 1.1 - Prob. 27E Ch. 1.1 - Prob. 28E Ch. 1.1 - Prob. 29E Ch. 1.1 - Prob. 30E Ch. 1.1 - Prob. 31E Ch. 1.1 - Prob. 32E Ch. 1.1 - Prob. 33E Ch. 1.1 - Prob. 34E Ch. 1.1 - Prob. 35E Ch. 1.1 - Prob. 36E Ch. 1.1 - Prob. 37E Ch. 1.1 - Prob. 38E Ch. 1.1 - Prob. 39E Ch. 1.1 - Prob. 40E Ch. 1.1 - Prob. 41E Ch. 1.1 - Prob. 42E Ch. 1.1 - Prob. 43E Ch. 1.1 - Prob. 44E Ch. 1.1 - Prob. 45E Ch. 1.1 - Prob. 46E Ch. 1.1 - Prob. 47E Ch. 1.1 - Prob. 48E Ch. 1.1 - Prob. 49E Ch. 1.1 - Prob. 50E Ch. 1.1 - 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