
Concept explainers
a.
To graph:The equations
a.

Explanation of Solution
Given:
The given equations are
Graph:
The graph of equations
Interpretation:
From the graph of equations
b.
To verify: The expressions
Given:
The expressions
Concept used:
Two expressions are said to be equivalent if their graphs pass through same points and their geometry is same.
Calculation:
The graphs of the given expressions are
From graphsof equations
Hence, the expressions
b.

Explanation of Solution
Given:
The expressions
Concept used:
Two expressions are said to be equivalent if their graphs pass through same points and their geometry is same.
Calculation:
The graphs of the given expressions are
From graphsof equations
Hence, the expressions
C.
To verify: The expressions
C.

Explanation of Solution
Given:
Theexpressions
Method used:
The long- division method.
Calculations:
Consider equation
From result (1) and given expression
Thus, the expressions
Chapter 2 Solutions
Precalculus with Limits
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