Question

6 6 6 6 6 6 6 6 NO CALCULATOR ALLOWED 6 6 6. Let g(x) = 4(x + 1) 2/3 and let f be the function defined by f(x) = (x()dt for x 20. (a) Find f(26) Do not while Do not write beyond this border. (b) Determine the concavity of the graph of y = f(x) for x > 0. Justify your answer. Whawthored copying or use of part of this page is illegal

Answer 1

JANUARY Jw = 4 Cu / T(x) = f gede F (n = { ulteta 11 ( 4+ fa) = 12 [(1 107 Ffa) a 13 ((at) 3 - (0+1) Fla) e la {ta)'3 1] P(26) = 13 [126 4 3 4 ) elg 1 2 7 2 3 -1 ] 212 (34) 1967=-94

JANUARY ye 13 ((ungs-) (141) إ* والا ا ور ان سے AT ___ yt = (100) Can came up 1660,00) yl 2 4 4 (-2) ( 4) Can Cane down UECA, e dobe (ar) When uzo glo fancave dowont .- B 76 77 blow (ungs. 4 (4779 2 ha) = -f(x) put hau= 0 6°C) 1 = 12 (54) 70-4133Y 20 hi lay: 1_1443 (10) I MAY U27 wet-484419723 H (941) 2 (412 (21 41710 Cuti fal UH. 8

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