Rolle s theorem is applicable to the

1.	Rolle s theorem is applicable to the
A.	Functions differentiable in closed interval [a, b] and continuous in open interval (a, b) only and having same value at point a and b
B.	Functions continuous in closed interval [a, b] only and having same value at point a and b
C.	Functions continuous in closed interval [a, b] and differentiable in open interval (a, b) only and having same value at point a and b
D.	Monotonically Increasing funtions
Answer» D. Monotonically Increasing funtions

Discussion

f(x) = ln(10-x2), x=[-3,3], find the point in interval [-3,3] where slope of a tangent is zero,
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