Exam

ISEE Upper Level

Section

Difficulty

Quantitative Reasoning

Comparing Function Values

Hard Quantitative Comparisons Functions

Given the function defined by:

$$ f(x) = x^3 - 9x + 12 $$

We want to compare the values of $$ f(3) $$ and $$ f(4) $$.

A

$$ f(3) < f(4) $$

B

$$ f(3) = f(4) $$

C

$$ f(3) > f(4) $$

D

$$ f(3) \text{ is not defined for } x=3 \text{ or } x=4 $$

Hint

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