The Polynomial Function $\mathrm { I } ( \mathrm { t } ) = - 0.1 \mathrm { t } ^ { 2 } + 1.4 \mathrm { t }$

question 122

Multiple Choice

The polynomial function $\mathrm { I } ( \mathrm { t } ) = - 0.1 \mathrm { t } ^ { 2 } + 1.4 \mathrm { t }$ represents the yearly income (or loss) from a real estate investment, where t is time in years. After how many years does income begin to decline?

• A) 6 yr
• B) 14 yr
• C) 7 yr
• D) 9.33 yr

---

Definitions:

Interstate Commerce

Commercial transactions or movement of goods and services that cross state boundaries within the United States.

Regulatory Reach

The extent to which government agencies can enforce rules and regulations governing individuals, businesses, and other entities.

Enumerated Powers

Specific powers granted to Congress as outlined in Article 1, Section 8 of the U.S. Constitution.

Congress

Congress is the bicameral legislature of the federal government in the United States, consisting of two houses: the Senate and the House of Representatives.