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Algebra / Linear functions Difficulty: Easy

fx=7x+1

The function gives the total number of people on a company retreat with x managers. What is the total number of people on a company retreat with 7 managers?

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Explanation

The correct answer is 50 . It's given that the function f gives the total number of people on a company retreat with x managers. It's also given that 7 managers are on the company retreat. Substituting 7 for x in the given function yields f7=77+1, or f7=50. Therefore, there are a total of 50 people on a company retreat with 7 managers.