Monomial Functions Answers

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As x > 0 increases, f(x) increases. As x < 0 decreases, f(x) decreases.

Answers:
Graph is y = x84:B
Graph is y = 2x4:A
Graph is y = −5x4:C
7

Which is the graph of y = –xn where n is odd?

A
mc001-1.jpg
Option A
B
mc001-2.jpg
Option B
C
mc001-3.jpg
Option C
8

Which of the following are properties of the graph of an odd monomial function? Select all that apply.

A
When a > 0, the graph has no minimum or maximum point.
B
When a > 0, the graph is in Quadrants I and II.
C
When a > 0, the graph is always decreasing.
D
When a < 0, the graph has no minimum or maximum point.
E
When a < 0, the graph is in Quadrants II and IV.
F
When a < 0, the graph is always increasing.
G
As | a | increases, the graph becomes narrower.
H
As | a | decreases, the graph becomes narrower.
9

Graph is y = x84 Graph is y = 2x4 Graph is y = −5x4

Answers:
Selection 1:B
Selection 2:A
Selection 3:C
11

Identify the monomial function(s) that have a minimum.

A
y = 5x
B
y = x3
C
y = –2x6
D
y = 4x4
E
y = 3x2
F
y = 2x6
15

✔ ABC

A
A
B
B
C
C
16

Identify the monomial function(s) that have a maximum.

A
y = x3
B
y = –4x
C
y = –3x4
D
y = –2x12
E
y = 3x3
F
y = 6x8
17

What is the range of the function in this situation?

A
All real numbers
B
mc003-1.jpg
Option B
C
mc003-2.jpg
Option C
19

AB✔ C

A
A
B
B
C
C
20

For this situation, the graph of V is in which quadrant(s)?

A
Quadrant I
B
Quadrant II
C
Quadrants I and II
D
Quadrants I and III

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