Examlex
Which of the following is NOT a stimulant?
\(n + 7\)
An algebraic expression representing the sum of an unknown quantity \(n\) and the number 7.
\(n + 8\)
An algebraic expression representing the sum of a variable n and the number 8.
\(n !\)
\(n !\), pronounced n factorial, is the product of all positive integers less than or equal to n. For instance, \(4! = 4 \times 3 \times 2 \times 1 = 24\).
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