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5. Find where the function f(x) = 2x4 - 4x?- 5 is increasing and decreasing, and find the relative extrema. 6 6. Find the abs
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DATE: f(x) = 2x4 - 4x² – 5 L critical point f(x)=0 8x3 - 8x = 0 8x (x2-1)= ama + 1 -1, 0, 1 Increasing Internal f(x) > 0 8xPAGE NO. DATE: I + (-0, -1) U (0,1) Ans. Relative Extrema. © at x = -1 16 >o So, minimum at x= -1 point (1, -7. minimum at xPAGE NO. DATE: [1, 6] fx) = 6 + 2 L critical point f(x) = 0 + 2 6 x2 늙 x² = 12 X I 233 at 1, 213,6 f(1) = 6.5 oll 6+ + NI 13

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