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
More Maxima and Minima Questions
Which of the following function has a maximum at origin ?...A line is drawn through a fixed point (a, b), (a > 0, b > 0) to meet the positive direction of the coordinate axes...If P(x) = a0 + a1x2 + a2x4 + ....... + anx2n be a polynomial in x ∈ R with 0 < a1 < a2 < .... < an, th...If xy = 4 and x < 0 then maximum value of x + 16y is -...If y = a ln I x I + bx2 + x has its extremum values at x = -1 and x = 2, then :-...