Pertanyaan

Grafik fungsi yang tepat untuk f ( x ) = 5 − 3 x , untuk x ∈ Real adalah . . . .

Grafik fungsi yang tepat untuk $f (x) = 5 - 3 x$ , untuk $x \in Real$ adalah . . . .

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$fraction numerator y minus y subscript 1 over denominator y subscript 2 minus y subscript 1 end fraction equals fraction numerator begin display style x minus x subscript 1 end style over denominator begin display style x subscript 2 minus x subscript 1 end style end fraction 1. space fraction numerator begin display style y minus 2 end style over denominator begin display style 5 minus 2 end style end fraction equals fraction numerator begin display style x minus 0 end style over denominator begin display style 1 minus 0 end style end fraction left right double arrow fraction numerator begin display style y minus 2 end style over denominator begin display style 3 end style end fraction equals x left right double arrow y minus 2 equals 3 x space left right double arrow y equals 3 x plus 2 2. space fraction numerator begin display style y minus 2 end style over denominator begin display style 5 minus 2 end style end fraction equals fraction numerator begin display style x minus 1 end style over denominator begin display style 0 minus 1 end style end fraction left right double arrow fraction numerator begin display style y minus 2 end style over denominator begin display style 3 end style end fraction equals fraction numerator begin display style x minus 1 end style over denominator begin display style negative 1 end style end fraction left right double arrow 2 minus y equals 3 x minus 3 space left right double arrow y equals negative 3 x plus 5 3. space fraction numerator begin display style y plus 2 end style over denominator begin display style negative 5 plus 2 end style end fraction equals fraction numerator begin display style x minus 0 end style over denominator begin display style 1 minus 0 end style end fraction left right double arrow fraction numerator begin display style y plus 2 end style over denominator begin display style negative 3 end style end fraction equals x left right double arrow y plus 2 equals negative 3 x space left right double arrow y equals negative 3 x minus 2 4. space fraction numerator begin display style y plus 2 end style over denominator begin display style negative 5 plus 2 end style end fraction equals fraction numerator begin display style x minus 1 end style over denominator begin display style 0 minus 1 end style end fraction left right double arrow fraction numerator begin display style y plus 2 end style over denominator begin display style negative 3 end style end fraction equals fraction numerator begin display style x minus 1 end style over denominator begin display style negative 1 end style end fraction left right double arrow negative y minus 2 equals negative 3 x plus 3 space left right double arrow y equals 3 x minus 5$