Solve the Inequality $$\frac { 3 x - 21 } { x ^ { 2 } - 1 } \geq 0$$

question 33

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$\frac { 3 x - 21 } { x ^ { 2 } - 1 } \geq 0$$

• A) \([ - 1,1 ] \cup [ 7 , \infty )\)
• B) \(( - 1,1 ) \cup [ 7 , \infty )\)
• C) \(( \infty , 1 ) \cup [ 7 , \infty )\)
• D) \(( - 1,7 ]\)

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Definitions:

Effective-Interest Method

A method of calculating the amortized cost of a bond and interest expense using a constant interest rate over the term of the bond.

Bond Interest Expense

The cost associated with borrowing money through bond issuance, representing the interest payments made to bondholders.

Income Statement

A financial document listing revenues and expenses, showing the profit or loss of a business over a specified period.

Straight-Line Amortization

A method of amortizing a bond discount or premium on a linear basis over the life of the bond or another asset.