# What are the extrema of #f(x) = 8 - 2x# for #x>=6#?

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The function ( f(x) = 8 - 2x ) for ( x \geq 6 ) has a minimum value but no maximum value within that domain. The minimum occurs at ( x = 6 ), and its value is ( f(6) = 8 - 2 \times 6 = 8 - 12 = -4 ).

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