Find the Formula for the Function $A = \pi r ^ { 2 }$

question 258

Multiple Choice

Find the formula for the function.
-Express the area of a circle as a function of its radius r.

• A) A = 2 r
• B) A = r
• C) \(A = \pi r ^ { 2 }\)
• D) \(\mathrm { A } = \pi \mathrm { r } ^ { 3 }\)

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Definitions:

Carbon

A chemical element with symbol C, known as the basic building block of life, found in all organic compounds.

Hydrogen

The lightest and most abundant chemical element in the universe, with the atomic number 1, often used in fuel cells and as a reducing agent in chemical processes.

Organelles

Specialized structures within a cell that perform specific functions necessary for the cell's life, such as mitochondria and the Golgi apparatus.

Digestive Function

The complex process by which the body breaks down food into absorbable nutrients, involving multiple organs and enzymes.