Question: The functionf ( x ) = 2 x 3 30 x 2 + 54 x + 11 f(x)=2x3-30x2+54x+11 has one local minimum and one local

The functionf

(

x

)

=

2

x

3

30

x

2

+

54

x

+

11

f(x)=2x3-30x2+54x+11

has one local minimum and one local maximum.

This function has a local minimum atx

x

=

with function value

and a local maximum atx

x

=

with function value

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