Learn to Determine If a Radical Function is Even or Odd

The video tutorial explains how to determine if a function is even or odd by evaluating F of negative X. If the result is the original function, it is even. The tutorial highlights that a negative number raised to an even power results in a positive value. An example is provided where F of negative X equals sqrt X^2 + 2, confirming the function is even. Even functions are symmetrical about the y-axis.

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