function My flx)= 4xb+ Sx². •.... First denivative The fun tón is fle)= 24x5 .- increashg on (-00,2s be cause: ... ..... The function has a relative maxmum at X=2 be couse ... fin + 0 second derivative The function is Concave dawn on pl(x)= 1201... O= 12014.. C-00, 1) becaule.. fcx) A f'W) The first denivantine is de creaslhg on a, 00) becnuse .. 0 + メ

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