Mathematics

Mathematics

Problem

1. Find the domain of the function f(x)=7⋅3xf(x)=7\cdot3^{x}. a) (0,∞)(0,\infty) b) R∖{0}\mathbb{R}\setminus\{0\} c) (−∞,∞)(-\infty,\infty) d) Z\mathbb{Z}

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