Question

ƒ(x)=3|2+x| so ƒ'(-3)=? ,if its -3 , how?

Joshi sir comment

ƒ(x)=3|2+x|

for x>-2,  f(x) = 3(2+x)  so  f'(x) = 3 

for x<-2, f(x) = -3(2+x) so f'(x) = -3

Read 1 Solution.

IF  X>-2;F(X)=3(2+X);f'(x) = 3 

for x<-2, f(x) = -3(2+x) so f'(x) = -3

 

AKHIL CHAND 10 year ago is this solution helpfull: 2 1

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