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Single Variable Calculus

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Moderate

Find Inflection Points of the Normal Density Function

SVCALC-BXEGY9

Find the inflection points of the "standard normal density function'' given by:

$$f(x)=\frac{1}{\sqrt{2\pi}}e^{-x^2/2}$$

A

$\{-1,1\}$

B

$\{-1,0,1\}$

C

$\{0\}$

D

$\{-\frac{1}{\sqrt{2\pi}},\frac{1}{\sqrt{2\pi}}\}$