Evaluate the Polynomial Function $f ( x ) = x ^ { 2 } + 6 x$

question 284

Multiple Choice

Evaluate the polynomial function.
-If $f ( x ) = x ^ { 2 } + 6 x$ , find $f ( a )$ .

• A) \(x ^ { 2 } + a x\)
• B) \(a x ^ { 2 } + 6 a x\)
• C) \(6 a\)
• D) \(a ^ { 2 } + 6 a\)

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Definitions:

Autotroph

An organism that synthesizes complex organic compounds from simple inorganic raw materials; also called producer or primary producer. Compare with heterotroph. See chemoautotroph and photoautotroph.

Saprotroph

A saprotroph is an organism that feeds on or derives nourishment from decaying organic matter, essential for nutrient cycling in ecosystems.

Food Chain

A series of organisms each dependent on the next as a source of food, illustrating the flow of energy and nutrients from one organism to another.

Ecological Pyramid

A graphical representation of the relative energy value at each trophic level. See pyramid of biomass and pyramid of energy.