defence exam SSB Head Constable (Communication) 2023 Mock Test Mathematics Differential Calculus Applications of Derivatives
The function f defined by f(x) = x3 - 6x2 - 36x + 7 is increasing, if
1
x > 2 and also x > 6
2
x > 2 and also x < 6
3
x < -2 and also x < 6
4
x < -2 and also x > 6