Graphing Radical Functions Answers
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1
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Which of the following is the graph of ?
A
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 1 and starts at (0, 0).
B
On a coordinate plane, an absolute value curve opens down and to the left in quadrant 2 and starts at (0, 0).
C
On a coordinate plane, an absolute value curve opens up and to the right in quadrant 4 and starts at (0, 0). It goes through (5, negative 2).
D
On a coordinate plane, an absolute value curve opens up and to the right in quadrant 4 and starts at (0, 0). It goes through (5, negative 9).
2
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The range of which function includes –4?
A
y = StartRoot x EndRoot minus 5
B
y = StartRoot x EndRoot + 5
C
y = StartRoot x + 5 EndRoot
D
y = StartRoot x minus 5 EndRoot
3
Which function has the same range as ?
A
g (x) = StartRoot x minus 3 EndRoot minus 8
B
g (x) = StartRoot x minus 3 EndRoot + 8
C
g (x) = negative StartRoot x + 3 EndRoot + 8
D
g (x) = negative StartRoot x minus 3 EndRoot minus 8
4
What is the domain of the function ?
A
Negative infinity less-than x less-than infinity
B
0 less-than-or-equal-to x less-than infinity
C
3 less-than-or-equal-to x less-than infinity
D
6 less-than-or-equal-to x less-than infinity
5
Which graph represents ?
A
On a coordinate plane, a cubic function has a point of inflection at x = 0 and crosses the x-axis at x = 5.
B
On a coordinate plane, a cubic function has a point of inflection at x = negative 5 and crosses the x-axis at x = 2.
C
On a coordinate plane, a cubic function has a point of inflection at y = negative 5 and crosses the x-axis at y = negative 5.
D
On a coordinate plane, a cubic function has a point of inflection at x = 5 and crosses the x-axis at x = 5.
6
Which function has the same domain as ?
A
y = StartRoot 2 x EndRoot
B
y = 2 RootIndex 3 StartRoot x EndRoot
C
y = StartRoot x minus 2 EndRoot
D
y = RootIndex 3 StartRoot x minus 2 EndRoot
7
Which graph represents ?
A
On a coordinate plane, a parabola with a vertex at (0, 0) opens up.
B
On a coordinate plane, a curve that begins at (0, 0) opens down and to the right in quadrant 1.
C
On a coordinate plane, a cubic function is vertical and goes through (0, 0).
D
On a coordinate plane, a cubic function is horizontal and goes through (0, 0).
8
What is the range of the function ?
A
y greater-than-or-equal-to negative 5
B
y greater-than-or-equal-to 0
C
y greater-than-or-equal-to StartRoot 5 EndRoot
D
y greater-than-or-equal-to 5
9
Which statement best describes ?
A
–6 is in the domain of f(x) but not in the range of f(x).B
–6 is not in the domain of f(x) but is in the range of f(x).C
–6 is in the domain of f(x) and in the range of f(x).D
–6 is neither in the domain of f(x) nor in the range of f(x).10
Which graph represents ?
A
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 4 and starts at y = negative 4.
B
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 1 and starts at x = 4.
C
On a coordinate plane, an absolute value curve opens down and to the right in quadrants 1 and 2 and starts at x = negative 4.
D
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 1 and starts at y = 4.
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