Adding and Subtracting Radicals Answers

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1
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What is the range of the function ?

Question illustration
A
y greater-than-or-equal-to negative 5
Option A
B
y greater-than-or-equal-to 0
Option B
C
y greater-than-or-equal-to StartRoot 5 EndRoot
Option C
D
y greater-than-or-equal-to 5
Option D
2
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Which graph represents ?

Question illustration
A
On a coordinate plane, a parabola with a vertex at (0, 0) opens up.
Option A
B
On a coordinate plane, a curve that begins at (0, 0) opens down and to the right in quadrant 1.
Option B
C
On a coordinate plane, a cubic function is vertical and goes through (0, 0).
Option C
D
On a coordinate plane, a cubic function is horizontal and goes through (0, 0).
Option D
3

Which graph represents ?

Question illustration
A
On a coordinate plane, a cubic function has a point of inflection at x = 0 and crosses the x-axis at x = 5.
Option A
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.
Option B
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.
Option C
D
On a coordinate plane, a cubic function has a point of inflection at x = 5 and crosses the x-axis at x = 5.
Option D
4

What is the range of the function ?

Question illustration
A
Negative infinity less-than y less-than infinity
Option A
B
Negative 8 less-than y less-than infinity
Option B
C
0 less-than-or-equal-to y less-than infinity
Option C
D
2 less-than-or-equal-to y less-than infinity
Option D
5

Which statement best describes ?

Question illustration
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).
6

The range of which function includes –4?

A
y = StartRoot x EndRoot minus 5
Option A
B
y = StartRoot x EndRoot + 5
Option B
C
y = StartRoot x + 5 EndRoot
Option C
D
y = StartRoot x minus 5 EndRoot
Option D
7

Which function has the same range as ?

Question illustration
A
g (x) = StartRoot x minus 3 EndRoot minus 8
Option A
B
g (x) = StartRoot x minus 3 EndRoot + 8
Option B
C
g (x) = negative StartRoot x + 3 EndRoot + 8
Option C
D
g (x) = negative StartRoot x minus 3 EndRoot minus 8
Option D
8

Which graph represents ?

Question illustration
A
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 4 and starts at y = negative 4.
Option A
B
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 1 and starts at x = 4.
Option B
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.
Option C
D
On a coordinate plane, an absolute value curve opens down and to the right in quadrant 1 and starts at y = 4.
Option D
9

What is the domain of the function ?

Question illustration
A
Negative infinity less-than x less-than infinity
Option A
B
0 less-than x less-than infinity
Option B
C
0 less-than-or-equal-to x less-than infinity
Option C
D
1 less-than-or-equal-to x less-than infinity
Option D
10

Which of the following describes the graph of compared to the parent square root function?

Question illustration
A
stretched by a factor of 2, reflected over the x-axis, and translated 9 units right
B
stretched by a factor of 2, reflected over the x-axis, and translated 9 units left
C
stretched by a factor of 2, reflected over the y-axis, and translated 9 units right
D
stretched by a factor of 2, reflected over the y-axis, and translated 9 units left

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