f(x)=x²-3x+5 , where x= 3x-1
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f(x)=x²-3x+5 , where x= 3x-1
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Answer:
f(x)= x²-3x+5
f(3x-1) = (3x-1)²-3(3x-1)+5
= (9x²-3x-3x+1) - 9x+3 +5
= 9x² -6x+1 - 9x +3+5
= 9x² -6x -9x +1+3+5
= 9x² -15x + 9
f(x)=x²-3x+5
f(3x-1) = (3x-1)² -3(3x-1) + 5
f(3x-1) = 9x²-6x+1 -9x+3 + 5
f(3x-1) = 9x² - 15x +9