Concept explainers
a.
To write two functions using the expressions
a.
Answer to Problem 41PPE
Explanation of Solution
Given information:
The expression
Calculation:
The two functions for the given expression are
The graph of the functions is shown below
b.
The coordinate of the points of intersection.
b.
Answer to Problem 41PPE
Explanation of Solution
Given information:
The expression
Calculation:
From the above graph it is clear that the coordinates of the intersection points are
c.
Are the x -coordinates of the points of intersection solutions of the equation?
c.
Answer to Problem 41PPE
Explanation of Solution
Calculation:
Since the graphs represent the left hand side and right hand side of the given equation, so the intersection points represent the points where the left hand side is equal to the right hand side expression.
So, yes the x -coordinates of the points of intersection represent the solution of the equation.
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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