Question

The function has x3 - 6x2 + 9x + 25 has

a maxima at x= 1 and a minima at x = 3
a maxima at x = 3 and a minima at x = 1
no maxima, but a minima at x = 1
o
a maxima at x = 1, but no minima​

Answer 1

Answer:

a)a maxima at x=1 and a minima at x=3

Step-by-step explanation:

f '(x) = 3(x2-4x+3)    f ''(x)=6(x)-12

at  x=1,  f "(1)  

at  x=3, f ''(3) = +ve