What device was twain using when he says the boy who becomes an apprentice engineer was exalted to this eminence

When he says that he was exalted to his eminence Mark Twain is using hyperbole. The reason for using this device is that in this statement the writer wants to intentionally exaggerate about the apprentice engineer's qualities or abilities. It is a way of making him sounds better.

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.

quarted means to be housed or "lodged" in someone home

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