Solve the System by Using Any Method $$\begin{array} { l } 2 ^ { x } + 2 ^ { y } = 18 \\4 ^ { x } - 2 ^ { y } = - 12\end{array}$$

question 156

Multiple Choice

Solve the system by using any method.
- $$\begin{array} { l } 2 ^ { x } + 2 ^ { y } = 18 \\4 ^ { x } - 2 ^ { y } = - 12\end{array}$$

• A) \(\{ ( 1,4 ) \}\)
• B) \(\{ ( 4,1 ) \}\)
• C) \(\left\{ \left( 0 , \log _ { 2 } 18 \right) \right\}\)
• D) \(\left\{ \left( \log _ { 2 } 18,0 \right) \right\}\)

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Definitions:

Cost Of Goods Sold

The total cost directly associated with the production of the goods sold by a company.

Times Interest Earned

A ratio that measures a company's ability to meet its interest obligations, calculated by dividing earnings before interest and taxes (EBIT) by the interest expense.

Financial Statements

Formal records of the financial activities and position of a business, person, or other entity.

Year 2

A term that could refer to the second year of a specific time period, project, or study.