SOLUTION: please help me solve this
g(x)= 3x- xsquared
1. g(-x)
2. g(1/3t)
3. g(xsquared - 3x)
4. g(-3k)
5.g(x-1)
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Question 200820: please help me solve this
g(x)= 3x- xsquared
1. g(-x)
2. g(1/3t)
3. g(xsquared - 3x)
4. g(-3k)
5.g(x-1)
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
1)
=3(-x)-(-x)^2=-3x-x^2=-x^2-3x)
answer: =-x^2-3x)
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2)
=3(\frac{1}{3}t)-(\frac{1}{3}t)^2=t-\frac{t^2}{9}=-\frac{1}{9}t^2+t)
answer: =-\frac{1}{9}t^2+t)
----------
3)
=3(x^2-3x)-(x^2-3x)^2=3x^2-9x-(x^4-6x^3+9x^2)=-x^4+6x^3-6x^2-9x)
Answer: =-x^4+6x^3-6x^2-9x)
----------
4)
=3(-3k)-(-3k)^2=-9k-9k^2=-9k^2-9k)
Answer: =-9k^2-9k)
----------
5)
=3(x-1)-(x-1)^2=3x-3-(x^2-2x+1)=-x^2+5x-4)
Answer: =-x^2+5x-4)
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