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1 April, 12:15

Let f (x) = e^x and g (x) = x-3 what are the domain and range of (f g) (x)

A. domain: x>0 range: y<0

B. domain: x>3 range y>0

C. domain: al real numbers range: y<0

D. domain: all real numbers range: y>0

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  1. 1 April, 14:46
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    (f of g) (x) = f (g (x)) = f (x-3) = e^ (x-3)

    The domain of a real exponential function is all real, and

    the corresponding range is y>0, i. e. (0,+∞ )
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