Combine Like Terms to Simplify the Expression $z ^ { 3 } + 4 z ^ { 2 } + z + z ^ { 2 } + 6 z + 1$

question 57

Multiple Choice

Combine like terms to simplify the expression $z ^ { 3 } + 4 z ^ { 2 } + z + z ^ { 2 } + 6 z + 1$ .

• A) \(14 z ^ { 9 }\)
• B) \(z ^ { 3 } + 13 z ^ { 2 }\)
• C) \(z ^ { 3 } + 5 z ^ { 2 } + 7 z + 1\)
• D) \(13 z ^ { 9 } + 1\)
• E) \(z ^ { 3 } + 12 z ^ { 2 } + 1\)

---

Definitions:

Total Assets

The sum of all assets owned by a company, including cash, investments, equipment, and real estate.

Profitability

A measure of how efficiently a company or project generates profit in relation to its revenue or investments.

Times Interest Earned

A financial ratio that measures a company’s ability to meet its debt obligations, calculated by dividing earnings before interest and taxes (EBIT) by interest expenses.

Interest Payments

The amount paid by a borrower to a lender over a period of time for the use of borrowed money, typically expressed as an annual percentage rate.