Algebra-2

Question Analysis
The question tests the student's ability to translate a verbal description of a function into function notation. The function described is a linear function where the input is decreased by 20 and then multiplied by 5.

Key Concept Explanation
Function notation is a way to express the relationship between an input and its corresponding output. In this case, the function name is , the input variable is , and the rule is to subtract 20 from and then multiply the result by 5.

Step-by-step Solution
1. Identify the input variable:
2. Subtract 20 from the input:
3. Multiply the result by 5:

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