1. Find the stationary values of the folowing (check whether they are relative maxima or minima or inflection points), assuming the domain to be the set of all real numbers: (0) y = -2x² + 8x +7 () y = 5x² - x () y= 3r² +3 (d)y=3x² - 6x + 2 2. Find the stationary values of the following (check whether they are relative maxima or minima or inflection points), assuming the domain to be the interval (0, 0): (a) y = x - 3x+5 (b) y = j -x +x+ 10 () y =-x+4.5x2- 6x+6

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