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# Graphical Interpretation: Tangent Line

APCALC-FJOODM

Given the graph of $f(x)$ above (consisting of a triangle and semicircle), what is the tangent line to $f(x)$ at $x=4$?

A

$x=4$

B

$y=4$

C

$y=4x-16$

D

$y=4x-12$