(1 point) Lat f (x) : X -- Y sa att f(x) = x2 + 5 dar...
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(1 point) Lat f (x) : X -- Y sa att f(x) = x2 + 5 dar X = {4,3, 10, 7, 9} och Y = {86, 57, 54, 105, 21, 12, 14, 15, 48 } Ange f's definitionsmanga. D f = { Ange fis vardemangd. Vf = {