How to evaluate a quadratic function

The video tutorial explains how to evaluate a function by substituting input variables into the function's equation. It demonstrates this process with examples using F(-1) and F(1/3), highlighting the importance of obtaining unique outputs for each input to maintain the definition of a function. The tutorial emphasizes the concept of input-output relationships in functions and the necessity of consistent results for the same input.

What is the significance of the expression F(-1) = 5 in the context of functions?

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How do you determine if a relation is a function based on its inputs and outputs?

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