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Concept explainers
In parts (a) - (f), use the following figure.
![Chapter 3.1, Problem 31AYU, In parts (a) - (f), use the following figure. a. Solve f( x )=50 . b Solve f( x )=80 . c. Solve f( x](http://dev-ingestion-image-output.s3-website-us-east-1.amazonaws.com/9780135189405/Chapter-3/images/19281-3.1-31ae-question-digital.jpg)
a. Solve .
b Solve .
c. Solve .
d. Solve .
c. Solve .
f. Solve .
![Check Mark](/static/check-mark.png)
To calculate: Solve the following function by using the given graph:
a. Solve
b. Solve
c. Solve
d. Solve
e. Solve
f. Solve
Answer to Problem 31AYU
Solution:
Explanation of Solution
Given:
The given figure is
Formula Used:
We know that the coordinates of a point are always written in the form .
This means that a point in the graph represents the value of the function at any .
Calculation:
a. Solve
From the given figure, we can see that is the point that satisfies .
Therefore, we have .
Thus, we get the solution as .
b. Solve
From the given figure, we can see that is the point that satisfies .
Therefore, we have .
Thus, we get the solution as .
c. Solve
From the given figure, we can see that is the point that satisfies .
Therefore, we have .
Thus, we get the solution as .
d. Solve
When , we have .
Therefore, we have , we get .
e. Solve
When , we have .
Therefore, when , we get .
(f. Solve
When , we have .
Similarly, when , we have .
Therefore, when , we have .
Similarly, when , we have .
Therefore, on combining the above 2 results, we get that when , we have .
Chapter 3 Solutions
Precalculus
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