Exam

GRE

Section

Difficulty

GRE Quantitative Reasoning Section

Determining the Constant k for a Local Maximum

Very Hard Algebra Functions

Consider a function defined by the equation:

$$ f(x) = 2x^3 - 3x^2 + kx + 5 $$

Where $$ k $$ is a constant. If the function has a local maximum at $$ x = 1 $$, what is the value of $$ k $$?

A

$$ k = 3 $$

B

$$ k = 4 $$

C

$$ k = 5 $$

D

$$ k = 6 $$

Hint

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