Value of C limit

blueray4 · P versus NP Offline Joined: 04 Sep 2005 Posts: 20

How would you find c in the function (f) which is continuous from (-infinity,+infinity)

f(x)= 2x+c if x<-1
3(x+2)^1/2 if x>-1

**Posted:** Sun Sep 18, 2005 7:26 pm

perfect_radio

you would take $c$ s.t. $f_{1}(-1) = f_{2}(-1)$ , where $f_1(x)=2x+c$ and $f_2(x)=3\sqrt{x+2}$

**Posted:** Mon Sep 19, 2005 12:18 am

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Arne

Indeed, and that implies that $c = 5$ .

**Posted:** Mon Sep 19, 2005 12:50 am

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