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(a)
The solution of the equation
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 14CR
Solution:
The solution for the equation
Explanation of Solution
Given information:
The function
Consider the equation
Substitute
Subtract
Divide both sides by
Therefore, solution of
(b)
The solution of the equation
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 14CR
Solution:
The solution for the equation
Explanation of Solution
Given information:
The function
Consider the equation
Substitute
Subtract
Divide both sides by
Therefore, solution of
(c)
To calculate: The solution of the equation
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 14CR
Solution:
The solution set for the equation
Explanation of Solution
Given information:
The functions
Formula used:
Quadratic formula for the zeros of the
Calculation:
Consider the equation
Solving
Now,
By the quadratic formula, the zeros of the quadratic equation
Thus, the solution set for the equation
(d)
The solution of the inequality
(d)
![Check Mark](/static/check-mark.png)
Answer to Problem 14CR
Solution:
The inequality
Explanation of Solution
Given information:
The function
Consider the inequality
Subtract
Divide the above inequality by
Therefore, the inequality
(e)
To calculate: The solution of the inequality
(e)
![Check Mark](/static/check-mark.png)
Answer to Problem 14CR
Solution:
The inequality
Explanation of Solution
Given information:
The function
Consider the inequality
Substitute
Factor out the above term
From the above, the zeroes of
Form intervals using zeroes
The interval
To check the inequality at end points.
Substitute
Inequality holds at
Substitute
Inequality holds at
Therefore, the solution for
(f)
To graph: The function
(f)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Given information:
The function
Graph:
To graph the function
Draw these points on a graph and pass a line through these points.
The graph of
Interpretation:
The graph represents function of
(g)
To graph: The function
(g)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Given information:
The function
Graph:
Consider the function
The standard equation
By comparing with standard equation
The equation has vertex at
Also, find some points satisfying equation of function.
Draw these points on a graph and pass a curve through these points.
The graph of
Interpretation:
The graph represents the function
Chapter 8 Solutions
Precalculus Enhanced with Graphing Utilities
Additional Math Textbook Solutions
University Calculus: Early Transcendentals (4th Edition)
Calculus, Single Variable: Early Transcendentals (3rd Edition)
Precalculus
University Calculus: Early Transcendentals (3rd Edition)
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