Question: Given that f(x) = x - 7 / x + 5, find each of the following. (a) f(7) (b) f(x + 1) (c) f(-5) (d)

Given that f(x) = x - 7 / x + 5, find each of the following.
(a) f(7)
(b) f(x + 1)
(c) f(-5)
(d) f (- 1/2)

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