3 years ago

The graph of f(x) = 1/x cos

Advanced Placement (AP)

1 answer:

nikitadnepr [17]3 years ago

4 0

Answer:

D. f(x) exist for all real numbers where x ≤ -1 or x ≥ 1

Explanation:

You can't divide by 0 and

You can't have a negative squareroot.

So solve for when x=0 for the denominator,

and when is x<0 for the squareroot.

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