help please.
Find (f + g)(x), (f - g)(x), (f . g)(x), and (f/g)(x) for each f(x) and g(x).
1. f(x) = a^2 - 1 , g(x) = a/(a + 1)
(f+g)(x)
(f-g)(x)
and
(f/g)(x)

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(f+g)(x) means to add f(x) and g(x)

(f-g)(x) means to take away g(x) from f(x)
or just write f(x)-g(x)

(f/g)(x) means to write f(x)/g(x)

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