Suppose G: a → B and F: B → C

question 70

Short Answer

Suppose g: A → B and f: B → C, where f ◦ g is 1-1 and g is 1-1. Must f be 1-1?

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Definitions:

Installment Account

A credit account where the borrower repays the principal and interest over a set period through scheduled payments.

Line of Credit

A flexible loan arrangement with a financial institution that allows a borrower to draw funds up to a specified limit, repay, and redraw as needed.

Trade Credit

An arrangement where a buyer is allowed to purchase goods or services and pay the supplier at a later date, often used to finance short-term business needs.

Consumer Credit

Types of personal loans extended to consumers for purchasing goods and services, including credit cards and installment loans.