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PSAT/NMSQT
PSAT Math Test - Calculator Section

Evaluating a Quartic Function and Its Nature

Very Hard Passport To Advanced Math Non-linear Expressions

Let the function defined by the equation:

$$f(x) = x^4 - 4x^3 + 6x^2 - 4x + 1$$

Evaluate the expression $$f(2)$$ and determine its nature (maxima, minima, or saddle point) using calculus.

Hint

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