The Square Root Function Answers
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1
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Use the graphing calculator to graph the function f(x) = –. Which list contains three points that lie on the graph of the function?
A
(–9, 3), (–4, 2), (–1,1)B
(1,1), (4, 2), (9, 3)C
(–9, –3), (–4, –2), (–1,–1)D
(1,–1), (4, –2), (9, –3)2
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The function f(x) = is shown on the graph.
A
The domain of the function is all real numbers less than or equal to −1.B
The range of the function is all real numbers greater than or equal to 0.C
The range of the function is all real numbers less than or equal to 0.D
The domain of the function is all real numbers less than or equal to 0.3
Which is the graph of f(x) = ?
A
On a coordinate plane, a parabola opens up with a vertex at (0, 0).
B
On a coordinate plane, an absolute value graph starts at (0, 0) and goes up through (2, 4).
C
On a coordinate plane, a parabola opens to the right with a vertex at (0, 0).
D
On a coordinate plane, an absolute value graph starts at (0, 0) and goes up through (4, 2).
4
What is the simplified form of ? Assume x ≠ 0.
A
StartFraction 6 Over 5 x Superscript 10 Baseline EndFraction
B
StartFraction 6 Over 5 x squared EndFraction
C
Six-fifths x Superscript 10
D
Six-fifths x squared
5
The function f(x)= is shown on the graph.
A
The range of the graph is all real numbers less than or equal to 0.B
The domain of the graph is all real numbers less than or equal to 0.C
The domain and range of the graph are the same.D
The range of the graph is all real numbers.6
The factor tree for 1,764 is shown.
A
21B
42C
32(72)D
22(32)(72)7
What is the simplified form of ? Assume x ≠ 0.
A
36x3B
36x2C
6x3D
6x28
Which represents the reflection of f(x) = over the x-axis?
A
A 2-column table has 4 rows. The first column is labeled x with entries negative 1, 0, 1, 4. The second column is labeled f (x) with entries undefined, 0, negative 1, negative 2.
B
A 2-column table has 4 rows. The first column is labeled x with entries negative 1, 0, 1, 4. The second column is labeled f (x) with entries 1, 0, undefined, undefined.
C
On a coordinate plane, an absolute value graph starts at (0, 0) and goes down and to the left through (negative 4, negative 2).
D
On a coordinate plane, an absolute value graph starts at (0, 0) and goes down and to the right through (2, negative 4).
9
The function f(x) = is shown on the graph.
A
The domain of the function is all real numbers greater than or equal to 0.B
The range of the function is all real numbers greater than or equal to −1.C
The range of the function is all real numbers less than or equal to 0.D
The domain of the function is all real numbers less than or equal to 0.10
What is the simplified form of ?
A
12x6B
12x18C
72x6D
72x18Did you find these answers helpful?
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