(a)
To find:
The exponential function to model the percent of impurity.
(a)
Answer to Problem 25E
Explanation of Solution
Given:
Theimpurity is removed
Concept used:
Formula
The kerosene left after
Calculation:
The kerosene left after
The kerosene left after
The kerosene left after
(b)
To draw:
The graph of the second coordinate plane.
(b)
Explanation of Solution
Given:
The impurity is removed
Concept used:
Replace the inequality sign and sketch the graph of the resulting equation (use a dashed line for < or > and a solid line for
Test one point in each of the region formed by the graph
If the point satisfies the inequality then shade the entire region to denote that every point in the region satisfies the inequality
Calculation:
Test one point in each of the region formed by the graph
If the point satisfies the inequality then shade the entire region to denote that every point in the region satisfies the inequality
Draw the table
Draw the graph
(c)
To find:
Theimpurity remains after the kerosene travels
(c)
Answer to Problem 25E
Explanation of Solution
Given:
The impurity is
Concept used:
Formula
The kerosene left after
Calculation:
The kerosene left after
The kerosene left after
The kerosene left after
The kerosene left after
(d)
To explain:
The exponential function to model of the impurity ever completely removed.
(d)
Answer to Problem 25E
No solution
Explanation of Solution
Given:
The impurity is removed
Concept used:
Formula
The kerosene left after
Calculation:
The kerosene left after
The kerosene left after
The kerosene left after
If the impurity are completely removed
The equation is
Has a least one solution
Therefore the equation has no solution and the impurity never be completely removed.
Chapter 11 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Additional Math Textbook Solutions
Single Variable Calculus: Early Transcendentals (2nd Edition) - Standalone book
Calculus: Early Transcendentals (3rd Edition)
University Calculus: Early Transcendentals (3rd Edition)
Calculus and Its Applications (11th Edition)
Precalculus (10th Edition)
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