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WITCHER [35]
2 years ago
9

I NEED HELP ASAP!!!!!!!

Mathematics
2 answers:
Mashcka [7]2 years ago
6 0

Answer:

Okay i got the answers for you!!

Step-by-step explanation:

A: is 1/2

B: is 2π/3

C: is  −π(π to the left)

D: is -3

Hope this helps please mark brainliest :)

yKpoI14uk [10]2 years ago
3 0

Answer:

a. 1/2

b.

\frac{2\pi}{3}

c.

- \pi

d.

- 3

Step-by-step explanation:

For a function

y = a \cos (bx   -  c) + d

The amplitude is

|a|

The period is

\frac{2\pi}{ |b| }

and the phase shift is

x - c

And d is the vertical shift

Here we have

y =  \frac{1}{2}  \cos(3x + 3\pi)  - 3

The a amplitude is

| \frac{1}{2} |  =  \frac{1}{2}

To find the period, first factor out 3 from the

parenthesis

\frac{1}{2}  \cos(3(x + \pi)  - 3

\frac{1}{2}  \cos(3(x - ( - \pi) )  - 3

To find period, the period is

\frac{2\pi}{3}

The phase shift is c so here the phase shift

is

- \pi

or pi units to the left.

Here the vertical shift is -3

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