Determine Whether the Function $f ( x ) = - 2 x ^ { 2 } + 18 x - 16$

question 47

Essay

Determine whether the function $f ( x ) = - 2 x ^ { 2 } + 18 x - 16$ is one-to-one.

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Definitions:

Cause-And-Effect Relationship

A principle describing a relationship in which one event (the cause) makes another event happen (the effect), with one being the result of the other.

Scientific Observation

Watching and recording participants’ behavior in a systematic and objective manner—in a natural setting, in a laboratory, or in searches of archival data.

Systematic

Characterized by having a methodical plan or procedure, especially in the context of scientific research or thorough investigation.

Objective Manner

A way of thinking or approaching situations impartially, without allowing personal feelings or prejudice to influence judgment.