Find the Maximum or Minimum Value of the Function $f ( x ) = 3 - 8 x - 2 x ^ { 2 }$

question 82

Essay

Find the maximum or minimum value of the function $f ( x ) = 3 - 8 x - 2 x ^ { 2 }$ .

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Definitions:

Spot Welds

A welding process where metal surfaces are joined by producing a series of individual welds at separate points, commonly used in sheet metal fabrication.

Projection Welds

Welds made by projecting localized heat and pressure onto particular points, typically used to join sheet metal parts at specified spots or studs.

Weld Symbol

A graphical representation on engineering drawings indicating the type of weld to be used.

Plug Weld

A type of weld used to fasten two pieces of metal together by filling a pre-drilled hole in the top piece with weld material which then attaches to the piece underneath.