c) 3x²+3x-7, x = 0
3(0)²+3(0)-7
0+0-7
-7
d) 3x²+3x-7, x = -1
3(-1)+3(-1)-7
-3-3-7
-13
e) x+y, x = 4 e y = 7
4+7
+11
f) x-y, x = 4 e y = 6
4-6
-2
g) 2x+y, x = 3 e y = 5
2(3)+(5)
6+5
11
h) -2x+3y, x = -1 e y = 2
-2(-1)+3(2)
+2+6
+8
❤️❤️ Bom final de semana
04/09
