Posted by **Yoona** on Monday, November 21, 2011 at 12:42am.

let f be the function defined by

|x-1|+2 for X<1

f(x)=

ax^2-Bx, for X>or equal to 1. where a and b are constants

a)if a=2 and b=3 is f continious for all x? justify your answer

b)describe all the values of a and b for which f is a continious function

c) For what values of a and b is f both continious and differentiable?

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