Question
is f(x) = log(x) + sqrt x the same function as g(u) = log(u) + sqrt u ? do they both have the same range?
is f(x) = log(x) + sqrt x the same function as g(u) = log(u) + sqrt u ?
do they both have the same range? do they both have the same domain?
If x and u are different numbers then are they different functions?
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Precalculus A Concise Course
Authors: Ron Larson, Rosemarie Menager Beeley, Larson/Hostetler
2nd Edition
1111789185, 9781111789183
