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sergey [27]
3 years ago
9

MATH HELP PLEASE. ( 40 PTS )

Mathematics
2 answers:
Daniel [21]3 years ago
8 0
The circumference is 75.4 :)
slega [8]3 years ago
3 0
D
A
C
D
hope it helps if they are wrong im sorry


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Identify the sine function with the given attributes.
Thepotemich [5.8K]

Answer:

<em>Last option </em>

f(t)=sin(\pi(t -3)) + 4

Step-by-step explanation:

The general sine function has the following form  

y = Asin(bt-\phi) + k

Where A is the amplitude: half the vertical distance between the highest peak and the lowest peak of the wave.  

\frac{2\pi}{b} is the period: time it takes the wave to complete a cycle.

k is the vertical displacement.

\phi phase shift

We know that:

amplitude: 1; period: 2; phase shift: 3; vertical shift: 4

Thus:

A =1

\frac{2\pi}{b}=2

b=\pi

\phi=3

k=4

Then the function is:

f(t)=sin(\pi(t -3)) + 4

The answer is last option

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Step-by-step explanation:

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