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Algbrea 2 Math

f(x)= square root sign 3-3x        x=-1,3
 
f(-1)=  

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Michael F. | Mathematics TutorMathematics Tutor
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f(x)= square root sign 3-3x x=-1,3
I assume f(x)=√(3-3x)

f(-1)= √(3-3(-1))=√6
f(3)=√(3-9)=√(-6)
 
A clearer statement would be helpful.