- #1
Patrickas
- 20
- 0
Homework Statement
F(X)=√x
F((F(2)-2)^2)+f(2)
What is the Solution to a Function and Roots Problem?
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Homework Help Overview
The discussion revolves around a function problem involving the square root function, specifically F(X) = √x, and the evaluation of an expression that includes F((F(2)-2)^2) + F(2). Participants are exploring the implications of negative values within the square root and the overall evaluation of the expression.
Discussion Character
- Exploratory, Assumption checking, Mathematical reasoning
Approaches and Questions Raised
- Participants are attempting to simplify the expression and are questioning the impact of negative signs in their calculations. There is also a suggestion to clarify the notation used in the function.
Discussion Status
The discussion is ongoing, with participants providing hints and engaging in a back-and-forth about the evaluation of the expression. Some participants express uncertainty about the signs and their effects on the outcome.
Contextual Notes
There is mention of a potential misunderstanding regarding the notation used in the function, and participants are navigating through the implications of negative values in their calculations.
F(X)=√x
F((F(2)-2)^2)+f(2)
- #2
tiny-tim
Science Advisor
Homework Helper
- 25,837
- 258
Hi Patrickas! 
(try using the X2 tag just above the Reply box
)
(do you mean F((F(2)-2)2) + F(2) ?)
Hint: F(a2) = … ?
(try using the X2 tag just above the Reply box
)Patrickas said:
(do you mean F((F(2)-2)2) + F(2) ?)
Hint: F(a2) = … ?
- #3
Patrickas
- 20
- 0
tiny-tim said:Hi Patrickas!
(try using the X2 tag just above the Reply box
(do you mean F((F(2)-2)2) + F(2) ?)
Hint: F(a2) = … ?
Hmmm I'm guessing that the signs will change. Then i should get -√2+2+√2= 2
Right?
- #4
tiny-tim
Science Advisor
Homework Helper
- 25,837
- 258
Patrickas said:
Yup!
- #5
Patrickas
- 20
- 0
tiny-tim said:Yup!
Cool! Thanks! I wonder hoe long will i remember this rule =]