Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$

question 6

Multiple Choice

Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$ . Find the domain of the composite function.
$$( f \circ g ) ( x )$$

• A) \(\quad ( - \infty , - 1 )\)
• B) \(\quad ( - \infty , - 1 ]\)
• C) \(\quad ( - \infty , \infty )\)
• D) \(\quad ( - 1 , \infty )\)
• E) \([ - 1 , \infty )\)

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Definitions:

Check Register

A record maintained by account holders to track checks written, deposits made, and the current balance of a checking account.

Cash Balance

The amount of cash that a company or an individual has on hand at any given time.

Deposits

Funds placed into an account at a financial institution for safekeeping.

Adjusted Cash Balance

The cash balance reported on a company's financial statements, modified for checks that have not yet cleared or deposits in transit.