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√x^2+6x+9 if x<3 Pls help cant solve it
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10 votes
√x^2+6x+9 if x<3

Pls help cant solve it

User Cyberbudy
by
3.3k points

1 Answer

11 votes

Answer:

F(x) < 6

Explanation:


√((x^2 + 6x +9)) = √((x+3)(x+3)) = √((x+3)^2\\)

This can be simplified to (x+3) and so if x is less than 3, f(x) is less than 6

User BlackBox
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