Exam

PSAT/NMSQT

Section

Difficulty

PSAT Math Test - Calculator Section

Finding Local Maximum of a Cubic Function

Medium Passport To Advanced Math Non-linear Expressions

Consider the non-linear expression defined by the function:

$$f(x) = x^3 - 3x^2 + 4$$

What is the value of $x$ at which the function achieves a local maximum?

A

$1$

B

$2$

C

$1.5$

D

$0$

Hint

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