Factor
- $18 z ^ { 6 } - 15 z ^ { 4 } - 18 z ^ { 2 }$

question 67

Multiple Choice

Factor.
- $18 z ^ { 6 } - 15 z ^ { 4 } - 18 z ^ { 2 }$

• A) \(\left( 6 z ^ { 3 } - 9 \right) \left( 3 z ^ { 3 } + 2 \right)\)
• B) \(3 z ^ { 2 } \left( 2 z ^ { 2 } - 3 \right) \left( 3 z ^ { 2 } + 2 \right)\)
• C) \(3 \left( 2 z ^ { 4 } - 3 \right) \left( 3 z ^ { 2 } + 2 \right)\)
• D) \(3 z ^ { 2 } \left( 3 z ^ { 2 } - 2 \right) \left( 2 z ^ { 2 } + 3 \right)\)

Appreciate the complexity and multi-directional nature of human development.

Grasp the key tenets of developmental and ecological-systems theories.

Acknowledge the importance of research methodology and its limitations in the study of human development.

Understand the distinctions between various research designs and their implications for developmental psychology.

---

Definitions:

Marginal Tax Bracket

The tax rate that applies to the last dollar of the taxpayer's income, indicating how much tax will be paid on any additional income earned.

Municipal Bond

A debt security issued by a state, municipality, or county to finance its capital expenditures, usually exempt from federal taxes and, in some cases, state and local taxes.

Corporate Bond

A type of debt security issued by a corporation to raise funds from investors, who are owed repayment of the loan plus interest.

Futures Contract

A Futures Contract is a legal agreement to buy or sell a particular commodity or financial asset at a predetermined price at a specified time in the future.