a.
Simplify the given expression.
a.
Answer to Problem 58PPS
The required simplified expression is
Explanation of Solution
Calculation:
Given expression
Thus, the required simplified expression is
b.
Use a graphing calculator to make a table for both functions.
b.
Answer to Problem 58PPS
The table of values is
Explanation of Solution
Calculation:
From part (a),
Make a table of values as shown below:
Thus, the a table of values is
c.
Use a graphing calculator to make a table for both functions.
c.
Answer to Problem 58PPS
Hence the
Explanation of Solution
Calculation:
From part (b),
Thus, the
d.
Compare and contrast the graphs.
d.
Answer to Problem 58PPS
Hence the graphs are almost identical, the only difference is that the graph of
Explanation of Solution
Calculation:
From part (a),
Thus the graphs are almost identical, the only difference is that the graph of
e.
What conclusions can you draw about the expressions and the functions.
e.
Answer to Problem 58PPS
Thus the expressions and functions are equivalent except for when
Explanation of Solution
Calculation:
Clearly From the above parts,
Thus the expressions and functions are equivalent except for when
Chapter 9 Solutions
Algebra 2
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