What is the domain and range of #f(x)=4log(x+2)-3#?

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Answer 1 · 2017-09-26T20:22:56

See explanation.

The domain is the subset of #RR# for which the function is defined.
In this case the domian is the subset, for which:

#x+2>0#

#x> -2#

The domain is #D=(-2;0)#

This function takes every real value, so the range is #RR#