Exam

ISEE Upper Level

Section

Difficulty

Quantitative Reasoning

Comparative Analysis of Function Values

Hard Quantitative Comparisons Functions

Let the function be defined as:

$$ f(x) = x^3 - 6x^2 + 9x $$

We are interested in comparing the values of $$ f(1) $$ and $$ f(3) $$.

A

$$ f(1) > f(3) $$

B

$$ f(1) < f(3) $$

C

$$ f(1) = f(3) $$

D

$$ f(1) \text{ is undefined, while } f(3) \text{ is defined} $$

Hint

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