- #1

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## Homework Statement

Graph the function defined by the following.

B = {(r/r0)B0 for r ≤ r0

{(r0/r)B0 for r > r0

(a) Is B continuous at r = r0?

yes no

(b) Is B differentiable at r = r0?

## Homework Equations

## The Attempt at a Solution

I'm not exactly sure what to do. I would use the definition of a derivative to do this, but I'm not sure if that's teh right approach.