What best describes the English expression the quotient of nine and the sum of a number and one?

The English expression "the quotient of nine and the sum of a number and one" describes a mathematical operation involving division. Specifically, it refers to taking the number nine and dividing it by the result of adding a variable (often represented as ( x )) to one. In algebraic terms, this can be expressed as ( \frac{9}{x + 1} ). This captures both the division and the addition components of the expression.