timiaparker
05.11.2019 •
Mathematics
Let f(x)=
and g(x)=
a) find the domains of f (x) and g(x).
b) find f (g(x)) and describe its domain.
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Ответ:
Domain:
f(x) has a denominator, which can't be zero. So, its domain is given by
g(x) has a denominator as well. Moreover, it has a root. So, the content of the root can't be negative:
And the denominator can't be zero:
So, the domain is
Composition:
We have
The domain of this function is
But we also have to remember about the domain of g(x): if g(x) is undefined, we can't compute f(g(x))!
So, the domain of f(g(x)) is
Ответ:
x=14.0°
Step-by-step explanation:
x= angle of slope
so, the angle of slope is 14.0°
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hope it helps...
have a great day
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