Rational Exponents 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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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.
3
What is the range of the function ?
A
Negative infinity less-than y less-than infinity
B
Negative 8 less-than y less-than infinity
C
0 less-than-or-equal-to y less-than infinity
D
2 less-than-or-equal-to y less-than infinity
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 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
6
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).
7
What is the domain of the function ?
A
Negative infinity less-than x less-than infinity
B
0 less-than x less-than infinity
C
0 less-than-or-equal-to x less-than infinity
D
1 less-than-or-equal-to x less-than infinity
8
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
9
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
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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