C

9000145402

Level: 
C
Identify a true statement about the function f(x)=2x2−x44.
The global maximum of f on R is at x=2 and x=−2.
The global minimum of f on R is at x=2 and x=−2.
The function f has a local minimum at the point x=2.
The function f has a local minimum at the point x=−2.

9000145403

Level: 
C
Identify a true statement on the function f(x)=4−3xx(1−x).
The function f has a local minimum at the point x=23.
The function f has a local maximum at the point x=23.
The global maximum of f on R∖{0.1} is at x=23.
The global minimum of f on R∖{0.1} is at x=23.

9000145405

Level: 
C
Identify a true statement on the function f(x)=14x4−23x3−32x2+2 on (−2;4).
The function f has a local maximum at the point x=0.
The function f has a local minimum at the point x=0.
The global maximum of f on this interval is at x=0.
The global minimum of f on this interval is at x=0.

9000145406

Level: 
C
Identify a true statement on the function f(x)=x3−12x+20 on (−3;4).
The global minimum of f on this interval is at x=2.
The global maximum of f on this interval is at x=2.
The function f has a local minimum at the point x=−2.
The global minimum of f on this interval is at the point x=−2.