Question

Seja P (x)= 2x² + x -1. Então P (2/3) vale:
A) 7/3
B) 5/9
C) 13/9
D) 14/11
E )7/9
RESPONDAM RAPIDO PFFF

Answer 1

2(2/3)²+2/3-1
8/9+2/3-1
mmc=9

8+6-9/9

5/9

letra b

Answer 2

P(2/3)=2(2/3)^2+2/3-1=2(4/9)+6/9-1=8/9+6/9-1=14/9-1=5/9