AnswersDISD CR Sem 1 Algebra II 2020-2021Domain and Range

The Cube Root Function Answers

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1
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What is the domain of f(x) = ?

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A
all real numbers
B
positive numbers and zero
C
all integers
D
whole numbers
2
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The graph of g(x) is a reflection and translation of .

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A
g (x) = RootIndex 3 StartRoot x + 1 EndRoot
Option A
B
g (x) = RootIndex 3 StartRoot x minus 1 EndRoot
Option B
C
g (x) = Negative RootIndex 3 StartRoot x + 1 EndRoot
Option C
D
g (x) = Negative RootIndex 3 StartRoot x minus 1 EndRoot
Option D
3

Which cube root function is always decreasing as x increases?

A
f(x) =
Option A
B
f(x) =
Option B
C
f(x) =
Option C
D
f(x) =
Option D
4

The function s(V) = describes the side length, in units, of a cube with a volume of V cubic units. Jason wants to build a cube with a minimum of 64 cubic centimeters.What is a reasonable range for s, the side length, in centimeters, of Jason’s cube?

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A
s > 0
B
s 4
Option B
C
s 8
Option C
D
s 16
Option D
5

The graph of g(x) is a translation of y = .

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A
g(x) =
Option A
B
g(x) =
Option B
C
g(x) =
Option C
D
g(x) =
Option D
6

The graph shows the function f(x).

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A
f(x) =
Option A
B
f(x) =
Option B
C
f(x) =
Option C
D
f(x) =
Option D
7

The function f(x) = is reflected over the x-axis to create the graph of g(x) = .Which is the graph of g(x)?

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A
On a coordinate plane, a cube root function goes through (negative 2, negative 8), has an inflection point at (0, 0), and goes through (2, 8).
Option A
B
On a coordinate plane, a cube root function goes through (negative 2, 8), has an inflection point at (0, 0), and goes through (2, negative 8).
Option B
C
On a coordinate plane, a cube root function goes through (negative 8, 2), has an inflection point at (0, 0), and goes through (8, negative 2).
Option C
D
On a coordinate plane, a cube root function goes through (negative 8, negative 2), has an inflection point at (0, 0), and goes thorugh (8, 2).
Option D
8

On the coordinate grid, the graph of is shown. It is a translation of .

Question illustration
A
{x | 1 < x < 5}
B
{y | 1 < y < 5}
C
{x | x is a real number}
D
{y | y is a real number}
9

Which is the graph of the cube root function f(x) = ?

Question illustration
A
On a coordinate plane, a cube root function goes through (negative 8, 2), has an inflection point at (0, 0), and goes through (8, negative 2).
Option A
B
On a coordinate plane, a cube root function goes through (negative 8, negative 2), has an inflection point at (0, 0), and goes thorugh (8, 2).
Option B
C
On a coordinate plane, a cube root function goes through (negative 4, negative 2), has an inflection point at (0, 0), and goes thorugh (4, 2).
Option C
D
On a coordinate plane, a cube root function goes through (negative 4, 2), has an inflection point at (0, 0), and goes through (4, negative 2).
Option D
10

The graph of y = is reflected over the y-axis and then translated down 2 units to form f(x). Which is the graph of f(x)?

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A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D

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The Cube Root Function Answers — DISD CR Sem 1…