SOLUTION: the minimum and maximum of 2x(2x)+1=y-3x
and y=-x(-x)+2x-4
4x^2+3x+1=y
so,y'=8x+3=0[for max]
whence x=-8/3 and y[max]=4*64/3-8/3+1=251/3
similarly for nextone y=-3
Algebra.Com
Question 29701: the minimum and maximum of 2x(2x)+1=y-3x
and y=-x(-x)+2x-4
4x^2+3x+1=y
so,y'=8x+3=0[for max]
whence x=-8/3 and y[max]=4*64/3-8/3+1=251/3
similarly for nextone y=-3
Answer by angshu0070(1) (Show Source): You can put this solution on YOUR website!
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