Ace the MCA Math Vocab Challenge 2026 – 4th Graders, Get Ready to Conquer!

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What is the result called when you apply a function to an input?

Input

Output

When you apply a function to an input, the result is the output. The function takes the input, follows its rule, and produces a value—this is the function’s output, also called the function value at that input. For example, if the function doubles a number and you input 4, the output is 8. The input is what you start with; the output is the result you get.

Result

Function value

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