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Need to combine piecewise functions. Here they are. Give me a sec.
with no money and no gas and no food; playing in here takes my mind off of the rest of that stuff :/
-(x-2), x<2 x-2, x>or=to 2 This is one piecewise. -(x+6), x<6 x+6 x>or=to -6. This is the second part. Need to combine and simplify. How to do?
I know what you mean about no money, or gas and everything else! I am in the same boat in Illinois, but with nowhere near your brains! You one-upped me!
I'd rather be poor and starving and smart than poor starving and dumb!
the 'or' means that the domain is a part of both sets
read it wrong :) -(x-2) ; (-inf,1) x-2; [2,inf) .......This is one piecewise. ........................................... -(x+6) ; (-inf,6) <- is this a typo? maybe meant -6? x+6 ; [-6,inf)
these are piecewise functions that define absolute value functions...
You know I forgot to type in the interval. Let me try to use the equation thing and type the whole thing, ok?
Ok, I can'g even figure out the equation thing so here goes in long-hand style. : (
Apparetnly, I can't ype either. oops, I mean I can't type, either! Or spell!
the first piecewise combines and simplifies to: f(x) = |x-2| teh second one combines and simplifies to: g(x) = |x+6|
does that help?
-(x-2), x<2 x-2, x>2 -(x+6), x<6 X+6, x>-6 Combine and simplify. The interval is -8
Ugh! Those are not right either!
Let me tell you that in both of those piecewise functions, the second "x is greater than" is supposed to be "greater than or equal to".
Did you hang up on me?
do we have any options to determine if we are in the right ball park?
Do you want me to go back to MathXL and get the answer and give it to you so you know?
itd be helpful; because I got a notion that its gonna look like this: f(x) =: |x+6| ; [-8, y] |x-3| ; [x,8]
well, the x, y stuff is from something else in me head lol
This is it, combined and simplified. BTW, I thought simplified was the shorter, easier version?! -2x-4, -8
|x+6| ; [-8, n] |x-3| ; [n,8] n = where the graphs meet
Again, in the first inequality, it is supposed to be -8 is less than or equal to x is less than -6
The second line is supposed to be -6 is less than or equal to x is less than or equal to 2
The third line is supposed to be 2 is less than x is less than or equal to 8
Did you get all that or are you so sick of me you could scream?
right.... i got no idea how they did that tho :/
do you have a link to the material you are studying>?
I'm taking calc online with GCU and it's through MathXL, their math program. I don't know if I can send you a link. Let me check.
I cannot get a link and the problem shows that it takes 22 steps to figure it out! We are working with extrema with regards to where functions are undefined, where they equal zero, and then find the local min and max values.
i havent worked with piecewise functions in calculs yet; i heard they were out there, bit just havent seen that bear yet lol
I will try to get something online and send it. TTYSoon, Rachel. ps. you're awesome! Thanks for the time again. I'll be back!
youre welcome :)