Maxima and MinimaEasy
Question
If f′(c) changes sign from positive to negative as x passes through c, then,
Options
A.f(c) is neither a maximum nor a minimum value of f(x)
B.f(c) is a maximum value of f(x)
C.f(c) is a minimum value of f(x)
D.f(c) is either a maximum or minimum value of f(x)
More Maxima and Minima Questions
For all a, b ∈ R the function f(x) = 3x4 - 4x3 + 6x2 + ax + b has -...The maximum possible area that can be enclosed by a wire of length 20 cms by bending it into the form of a rectangle (in...If f′(c) < 0 and f″(c) > 0, then at x = c, f(x) is -...The value of ′a′ so that the sum of the squares of the roots of the equation x2 -(a - 2 )x - a + 1 = 0 assum...If a > 1, x > 1, then minimum value of loga x + logx a is -...