Mark works forty hours a week at a clothing store. His weekly salary is $220, plus he receives a 5% commission on sales over $1,000. Given the functions f (x) = 0.05x and g(x) = x – 1,000, which of two compositions, ( f o g)(x) or (g o f )(x), represents Mark's commission?

A. ( f o g)(x) 
B. (g o f )(x)


Answer: A

Mathematics

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