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The equation of the graph is
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y = 3 cos x
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y = 4 cos x
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y = 6 cos x
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y = 5 cos x
That's Correct!
It's Wrong!
The correct answer is y = 5 cos x because the equation y = 5 cos x represents a cosine function with an amplitude of 5, which means the graph will oscillate between -5 and 5. The cosine function has a period of 2π, so the graph will repeat itself every 2π units along the x-axis.
