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Consider f : N rarr N ,g : N rarrN, g : ...

Consider f : N `rarr N` ,g : `N rarrN, g : N rarrN` and h : `N rarr R ` defined as f(x) = 3x g(y) = 2y +3 and h(z) = cos z `AA x ,y, z in N` . Show that (hog ) of = ho (gof).

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