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tatyana61 [14]
2 years ago
8

How did they get the -5? I got -3

Mathematics
1 answer:
Naya [18.7K]2 years ago
4 0
F(x) = x² - 3x
g(x) = √x - 1

f(g(x))= (√x - 1)² - 3(√x - 1) = (√x - 1)(√x - 1 - 3) =(√x - 1)(√x - 4) =
= √x √x -1*√x -4*√x +4 = x -5√x +4

Answer:  x -5√x +4
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