Solve the Rational Inequality and Graph the Solution Set on a Real

question 32

Multiple Choice

Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval
notation.
- $$\frac { x - 3 } { x + 9 } < 0$$

• A) \(( - 9,3 )\)
• B) \(( - \infty , - 9 )\) or \(( 3 , \infty )\)
• C) \(( 3 , \infty )\)
• D) \(( - \infty , - 9 )\)

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Definitions:

Pyramid of Biomass

A depiction of the decreasing mass of organisms found as one ascends through the food chain.

Pyramid of Energy

A graphical representation that shows the flow of energy at different trophic levels in an ecosystem, with the largest amount of energy at the base and decreasing amounts as you move up.

Pyramid of Numbers

A graphical representation that shows the number of organisms at each trophic level in an ecosystem.

Biological Magnification

The increased concentration of toxic chemicals, such as PCBs, heavy metals, and certain pesticides, in the tissues of organisms at higher trophic levels in food webs.