Chapter 9 Algebra Worksheet With Answers - Montville Township Public Schools Page 31
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31The graph will cover all possible values of x, so the domain is all real numbers. The graph excluded y-values between
Study Guide and Review - Chapter 9
−1 and 3. Thus, the range is {y | y < −1 or y
3}.
53.
SOLUTION:
This is a piecewise-defined function. Make a table of values. Be sure to include the domain values for which the
function changes.
x
−1
0
1
2
3
f (x)
−5
−3
−1
1
4
Notice that both functions are linear.
The graph will cover all possible values of x, so the domain is all real numbers. The graph does not include y-values
between 1 and 3. Thus, the range is {y | y
1 or y > 3}.
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