Question

P(x)= 3x+1
Q(x)= x+2
Hallar:
P(Q(2))

Answer 1

P(Q(2))

3X+1(X+2(2))

(3X+1)(2X+4)

6x^2+12x+2x+4

6x^2+14x+4

2x +4

3x +1 (aspa simple :v)

2x+4=0 3x+1=0

2x= -4 3x= -1

x= -2 x=-1/3

rpta: -2 :v