Algebra - Functions and Domains
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For the given functions f and g, find the following functions and state the domain of each.
(a) f + g (b)f - g (c)f x g (d) f / g
f(x)= square root of x + 1; g(x) = 2 / x
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Solution Summary
Operations are performed on two functions and domains are found. The square roots of functions are given.
Solution Preview
We first have to find the domains of f and g seperately.
Df={x in R| x>=-1}
Dg={x in R| x~=0}
(Note that ~= means is not equl to).
(a) ...
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