Which of the Following Is (Are) True Of $f ( x ) = x ^ { 4 } - x ^ { 3 } ?$

question 76

Multiple Choice

Which of the following is (are) true of $f ( x ) = x ^ { 4 } - x ^ { 3 } ?$
(I) (0, 0) is an inflection point
(II) $\left( \frac { 1 } { 2 } , - \frac { 1 } { 16 } \right)$ is an inflection point
(III) (0, f(0) ) is a relative minimum point
(IV) f is increasing on (0, 2)

• A) I, II, and III
• B) I, II, and IV
• C) I and II
• D) I, III, and IV
• E) all of these

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Total Function

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