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Rani Abbakkadevi

The graph of ...

Question

The graph of $f (x) = 2 | cos x | + 1$ is

A

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B

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C

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D

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Solution

The correct option is C
Graph for $| cos x |$ is

Graph for $2 | cos x |$ is

Now, The graph for $2 | cos x | + 1$ is

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Rani Abbakkadevi

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