Suppose $g : A \rightarrow B$ And $f : B \rightarrow C$

question 17

Short Answer

Suppose $g : A \rightarrow B$ and $f : B \rightarrow C$ , where $f \circ g$ is 1-1 and $f$ is 1-1. Must g be 1-1?

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Definitions:

32-gauze Needle

A very fine needle typically used for injections, where "gauze" likely refers to gauge, indicating its diameter.

Heparin Units

A measurement used to quantify the dosage of heparin, a medication that prevents blood from clotting.

BMI

Body Mass Index, a numerical calculation comparing a person's weight and height, used to assess if an individual has a healthy weight range.

Dorsal Gluteal

An anatomical site on the upper buttock, once common for intramuscular injections but now less favored due to risk of nerve damage.