SuperBob![]() From: US Posts: 33 Votes: 99 |
Let f (x) = {2 sqrt x if x >/= 4; x^2 - 2x -4 if x < 4 a) Determine if f is continuous at x=4 b) By using the limit definition of the derivative, determine if f is differentiable at x=4. |
Anonymous![]() From: - Posts: - Votes: - |
A) Since both formulas are equal at x=4, then it is continuous at x=4. b) yes. | ![]() ![]() |