hazel00320 hazel00320
  • 28-09-2022
  • Mathematics
Answered

If f(x)={cos(3x) if x>=0
-4 if x<0. differentiable over the interval (-1,9)

A. Yes, but it would not be if the interval were (-1,1)
B. No, but it would be if the interval were (-1,1)
C. Yes, and it would be if the interval were (-1,1)
D. No, and it would not be if the interval were (-1,1)



Answer :

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