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# Describe Graph's Behavior at a Point

APCALC-ENGVLM

Which of the following describes the behavior of the function $y=\sqrt[4]{|x-3|}$ at $x=3$?

A

$y$ is differentiable.

B

$y$ has a discontinuity.

C

$y$ has a cusp.

D

$y$ has a vertical tangent.