QUESTION 1
The first function is
[tex]y = \sin(4x) [/tex]
A function of the form
[tex]y = A \sin(Bx) [/tex]
has amplitude equal to
[tex] |A| [/tex]
The amplitude of
[tex]y = \sin(4x) [/tex]
is
[tex]1[/tex]
QUESTION 2
The given function is
[tex]y = 4 \cos(x) [/tex]
A trigonometric function of the form
[tex]y = A \cos(Bx) [/tex]
also has an amplitude of
[tex] |A| [/tex]
The amplitude of
[tex]y = 4 \cos(x) [/tex]
is
[tex]4[/tex]
QUESTION 3
The given trigonometric function is
[tex]y = 3 \sin( \frac{2}{3} x) [/tex]
The amplitude of this trigonometric function is
[tex]3[/tex]
QUESTION 4.
The given trigonometric function is
[tex]y = 3 \cos(x) [/tex]
The amplitude of this cosine function is
[tex]3[/tex]
