Maxima and MinimaHard
Question
If f (x) = 4x3 - x2 - 2x +1 and g(x) =
then
has the value equal to :
Options
A.7/4
B.9/4
C.13/4
D.5/2
Solution


f′(x) = 12x2 - 2x - 2
= 2(6x2 - x -1) = 2(2x -1)(3x +1)
Min {f (t) : 0 ≤ t ≤ x};0 ≤ x ≤ 1 =
Create a free account to view solution
View Solution FreeMore Maxima and Minima Questions
A rectangle has one side on the positive y-axis and one side on the positive x-axis. The upper right hand vertex on the ...If y = a ln I x I + bx2 + x has its extremum values at x = -1 and x = 2, then :-...If f′(c) changes sign from negative to positive as x passes through c, then -...The sum of two number is 12. If their product is maximum, then they are -...P and Q are two points on a circle of centre C and radius α, the angle PCQ being 2θ then the radius of the cir...