Respuesta :

Answer:

the answer is D because

Step-by-step explanation:

c(d(x))=4(d(x))-2 ... replace every x with d(x)

c(d(x))=4(x^2+5x)-2 ... replace the d(x) on the right side with x^2+5x

c(d(x))=4*x^2+4*5x-2

c(d(x))=4x^2+20x-2

Answer:

D.

by-step explanation: