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:

Adjusted Trial Balance

A statement listing all accounts and their balances after adjusting entries have been made, used to verify the balance of debits and credits.

Post-Closing Trial Balance

A post-closing trial balance is a list of all accounts and their balances after closing entries are made, ensuring the accounts are in balance before the next accounting period begins.

Closing Entries

Journal entries made at the end of an accounting period to transfer the balances of temporary accounts to permanent accounts, effectively resetting the temporary accounts for the next period.

Accounting Cycle

The collective process of recording and processing all financial transactions of a company, from when the transaction occurs, to its representation in the financial statements.