Maxima and MinimaHard
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
If value of the function a2 sec2 θ + b2 cosec2 θ (a > 0, b > 0) is minimum, then θ equals -...For the curve, the maximum value of r is -...If points of maxima and minima of a function f(x) = 2x3 − 9ax2 + 12a2x+ 1 (a > 0) are respectively p and q, the...For x ∈ , define f(x). Then f has...If f(x) = x3 − kx + 7 is maximum at x = −1, then the value of k is -...