Compute the derivative of the function

$()=(22+3)2$f$($x$)=(2$x$2+3)2.$

Select one:

a$.$

$2(22+3)2(2$x$2+3)$

b$.$

$88$x

c$.$

$22+32$x$2+3$

d$.$

$8(22+3)8$x$(2$x$2+3)$