Question
Question: Let f(x) = Max. {x +1, \|x\| +1}. Then f(x) is non differentiable at...
Let f(x) = Max. {x +1, |x| +1}. Then f(x) is non differentiable at
A
0.5
B
1.0
C
0
D
2.0
Answer
0
Explanation
Solution
f(x) = Max. {x + 1, |x| +1}
= |x| + 1 " x Î R
which is non differentiable
at x = 0