Find the Maximum or Minimum Value of the Function $f ( x ) = 7 + 12 x - 3 x ^ { 2 }$

question 72

Essay

Find the maximum or minimum value of the function $f ( x ) = 7 + 12 x - 3 x ^ { 2 }$ .

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Definitions:

OOS Deadline

An abbreviation for "Out of Service" Deadline, a term used to indicate the final date by which a vehicle must be repaired or maintained before it is considered unfit for service.

Tire Defects

Tire defects refer to imperfections or faults in a tire that can limit its effectiveness, safety, or performance, including issues such as tread separation, sidewall bulges, or uneven wear patterns.

Sidewall

The portion of a tire between the tread and bead.

Casing Ply Cord

Casing ply cord is a component of tire construction, made of layers of fabric cords encased in rubber, providing structure and support.