Which of the following is (are) true of $f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 3 x ?$
(I) f increasing on (1, ?)
(II) (1, 1) is a relative extreme point
(III) (1, 1) is an inflection point
(IV) f is concave up on (-?, 1)
A) II, III, and IV
B) I and III
C) I, II, and IV
D) I, II, and III
E) all of these

Question

Which of the following is (are) true of $f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 3 x ?$ 
(I) f increasing on (1, ?)
(II) (1, 1) is a relative extreme point
(III) (1, 1) is an inflection point
(IV) f is concave up on (-?, 1)
A) II, III, and IV
B) I and III
C) I, II, and IV
D) I, II, and III
E) all of these

Quizplus · Accepted Answer

The Answer of Which of the following is (are) true of $f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 3 x ?$ 
(I) f increasing on (1, ?)
(II) (1, 1) is a relative extreme point
(III) (1, 1) is an inflection point
(IV) f is concave up on (-?, 1)
A) II, III, and IV
B) I and III
C) I, II, and IV
D) I, II, and III
E) all of these

Which of the Following Is (Are) True Of f(x)=x3−3x2+3x?f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 3 x ?f(x)=x3−3x2+3x?

Which of the Following Is (Are) True Of $f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 3 x ?$