Below Is a Graph of a Function $f ( x )$

question 13

Multiple Choice

Below is a graph of a function $f ( x )$ . Over what region(s) is the graph concave up?

• A) at \(x = 3\)
• B) from 0 to 3
• C) from 3 to 6
• D) None of the above

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Definitions:

Homeostasis

The ability of a living organism to maintain stable internal conditions despite changes in the external environment.

Circulatory System

The body's system responsible for the transport of blood, nutrients, gases, and wastes throughout the body, involving the heart and blood vessels.

Surface-Area-To-Volume Ratio

Ratio of a cell’s outside area to its internal volume; the relationship limits the maximum size of a cell.

Keratin

A type of protein found in the skin, hair, and nails, responsible for their strength, protection, and waterproofing properties.