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Mathematics 19 Online
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.

justus:

Do you need help?

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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