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Pronouns and Grammar

Grammar questions that ask for pronouns often get tricky. When you read a question about a subject or verb, the subject may be asked whether it is a singular or a plural. Sometimes the verb is also asked whether it is a singular or plural. But when the verb is asked whether it is singular

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Relations and Functions

A relation is an ordered set of two or more terms with functions, each having a single input and output. It can be viewed as representing the relationship between input and output, with each term being dependent on the other. While, a relation represents a relationship that derives a single output for every single input,

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