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qaws [65]
3 years ago
6

Which of the following could be the equation of the function below?

Mathematics
2 answers:
Artemon [7]3 years ago
7 0
It's strange, as according to ur question ,here is point(0,-3) but for the 3 graphs it provided, they do not touch(0,-3)
even I sub the point into the equation, i still cannot get the answer

antoniya [11.8K]3 years ago
3 0

<u>Answer:</u>

<u>y=-2cos (2(x+\pi ))-1</u>

<u>Step-by-step explanation:</u>

From the graph, we can see that y = -3 when x  = 0.

So to check whether which of the given options is the equation of the given graph, we will set our calculator to the radian mode and then plug the value of x as 0.

1. y = -2 cos (4(x + pi)) - 1 = -2 cos (4(0 + pi)) - 1  = 3

2. y = 2 cos(x + pi) = 2 cos(0 + pi) = -1

3. y = -2 cos (2(x + pi)) - 1 = -2 cos (2(x + pi)) - 1 = -3

Therefore, the equation of this graph is  y = -2 cos (2(x + pi)) - 1.



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