Algebra-2

In function notation, a function describes the relationship between two variables, where one variable depends on the other. Here, "P" represents the profit, and "x" represents the number of products sold.

P(x) is the appropriate notation. This notation indicates that P is a function of x, meaning the profit depends on how many products are sold.

Option A, P + x: This expression suggests an arithmetic operation rather than a function. It implies adding x to P, which doesn't convey the relationship of profit depending on th...