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Posted by **Scooby10** on Friday, February 10, 2012 at 3:36pm.

F(x) = [x^3 for x < 2; 5x - 2 for x > or = to 2]

?continuous or differentiable both or neither one or the other?

- Calculus -
**Steve**, Saturday, February 11, 2012 at 5:42amF(x) is continuous at x=2, since

2^3 = 5*2-2 = 8

But, F' is not continuous, since

3*2^2 = 12

but

5 = 5

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