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f:R-->R be a differentiable function satisfying 2f(x+y/2)-f(y)=f(x)” if f(0)=5 and f’(5)=-1 then: A)lim(f(x))^1/4=e x->4 B)f(|x|) is non derivable at exactly 2 points C) area bounded by f(x), x-axis and y-axis is equal to 25 sq units D)|f(|x|)| is non derivable at exactly 3 points

f:R-->R be a differentiable function satisfying 2f(x+y/2)-f(y)=f(x)”  if f(0)=5 and f’(5)=-1 then: 
 
A)lim(f(x))^1/4=e
    x->4
B)f(|x|) is non derivable at exactly 2 points 
C) area bounded by f(x), x-axis and y-axis is equal to 25 sq units                      D)|f(|x|)| is non derivable at exactly 3 points 
 

Grade:11

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