1,398 * 4 = 5,592
5,592/3 = 1,864
Each pile would have 1,864 legos.
This would be 1/3.
(7 goes into 21, 3 times)
1. Graph: a) positive:x>1
b)negative: x<1
c) increasing : none
d ) decreasing: x ∈ R\ { 1 }
2. a) positive: x < -2
b) negative: x > -2
c) increasing: x ∈ R\ { -2 }
d ) decreasing: none.
3. a) positive: x ∈ R\{ 0 }
b ) negative: none
c ) increasing: x< 0
d ) decreasing: x> 0
Draw your own diagram: in the attachment.
