Let f be a real function given by f(x)=x-2. Find f2. Also, show that fof≠f2.

Let f be a real function given by f(x)= $\sqrt{x - 2}$ . Find $f^{2}$ . Also, show that $f o f \neq f^{2}$ .

Matching exercise

Match the items on the right to the items on the left.

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