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(f) x= square root 3-3x x=-4,9 f(-4)=

(f) x= √ 3-3x        x=4,9          f(-4)=
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1 Answer

Hi David,
 
If f(x) = square root of (3-3x) then
f(-4) = square root of (3--12) = square root of (3+12) = square root of 15