Describe the convex hull of the set S of points in R² that satisfy the given conditions. Justify your answers. (Show that an arbitrary point p in S belongs to conv S.) a. y = 1/x and x > 1/2 b. y = sin x c. y = x/2 and x > 0 a.

Dse the fulanshan to sbow that the firdms are lineary, nmependent (LI)or find values of x Brübichthe tnclims arenot hneary noep e a)e 4x and eX Linaary inde. Yes/ZNO. Jf nawhere: blx? and x Lmeary inde Yes/lf no,where:

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Find the value of z. Then find GE and £7/ and state whether E is the midpoint of GH. 39. GE = z + 2, GH = 20, EH = 2z - 6 40. GH = z + 6, EH = 2z - 4, GE = z