for what values of a and c is the function differentiable at x=2? f(x)= x+c, x>2 ax^2, x<(or equal to) 2 how do i start this problem? thanks so much
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Originally Posted by holly123 for what values of a and c is the function differentiable at x=2? f(x)= x+c, x>2 ax^2, x<(or equal to) 2 how do i start this problem? thanks so much Well, first it must be continuous so . Next, the left and right derivative must equal so . Two equation and two unknowns.
Originally Posted by holly123 for what values of a and c is the function differentiable at x=2? f(x)= x+c, x>2 ax^2, x<(or equal to) 2 how do i start this problem? thanks so much if the function is differentiable, then it has to be continuous ... also, since f(x) is differentiable at x = 2 ... solve for and .
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