2. Let $f(x) = 2x - 3$ and $g(x) = x^2 + 2$, find: a. $(f \circ g)(2)$ b. $(g \circ f)(-1)$ c. $f(g(-3))$ d. $g(f(5))$ e. $(f \circ f)(-2)$
Added by Kenneth M.
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