Mathematics

Problem

Let

y=4^{x}

be an exponential function. After rewriting it in logarithmic form, which of the following correctly gives the domain and range of the resulting logarithmic function? a) Domain:

x\ge 0

, Range: all real numbers b) Domain:

x>0

, Range:

x\ge 0

c) Domain:

x>0

, Range: all real numbers d) Domain: all real numbers, Range:

x>0

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