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ZombieSlayer:
Let f = {(–2, 4), (–1, 2), (0, 0), (1, –2), (2, –5)}. Let g = {(–3, 3), (–1, 1), (0, –3), (1, –4), (3, –6)}. What is g(f(2))? -5 -1 2 The composition is undefined.
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justus:
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Mercury:
@ZombieSlayer: start with f(2). look at the f function, find the corresponding y-value for x = 2 now, moving onto g(f(2)), take the y-value from f(2). this becomes your new x-value for g(x). find the corresponding y-value for g(x).
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