Simplifying Radical Expressions Worksheet With Answers Page 28
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38The parent function
is multiplied by a value greater than 1 and is subtracted by the value 1, so the graph is
a vertical stretch of
followed by a translation 1 unit down. The domain is {x|x ≥ 0}, and the range is {y|y ≥ -
10-2 Simplifying Radical Expressions
1}.
63.
SOLUTION:
x
0
1
2
3
4
y
0
≈ 0.7
≈0 .9
1
The parent function
is multiplied by a value less than 1 and greater than 0, so the the graph is a vertical
compression of
. Another way to identify the compression is to notice that the y-values in the table are
times the corresponding y-values for the parent function. The domain is {x|x ≥ 0} and the range is {y|y ≥ 0}.
64.
SOLUTION:
–2
–1
x
0
1
2
y
0
2
≈ 2.8
≈ 3.5
4
This graph is the result of a vertical stretch of the graph of y =
followed by a translation 2 units left. The domain
is {x|x ≥ –2}, and the range is {y|y ≥ 0}.
65.
SOLUTION:
–1
x
0
1
2
y
0
–1
≈ –
≈ –
1.4
1.7
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