Maxima and MinimaHard
Question
Let f(x) = | x |, then-
Options
A.f′(0) = 0
B.f(x) has a maximum at x = 0
C.f(x) has a minimum at x = 0
D.f(x) has no maximum and no minimum
Solution
f(x) = | x |
f(x) has minimum at x = 0
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