Respostas

2014-05-18T16:37:29-03:00
A) y=-5²-(-5) . 7+10
=25+35+10
=70

b) y= -1²-7.1 +10
y=1-7+10
y= -4

c)0²-7.0+10
y=10

y=18²-7.18+10
324-7.18+10
y=208
0