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Solve and graph each inequality

1. | 4w + 1 | > 11

Find each union or intersection. Let A = {1, 3, 4}, B = { x | x is an even whole number less than 9}, C = {2, 5, 7, 10}

2. A U B

3. A U C

4. A (upside-down U) B

5. A (upside-down U) C

Respuesta :

apologiabiology
graph?
well
for
|a|>b solve
a>b and a<-b

|4w+1>11
solve
4w+1>11 and 4w+1<-11
minus 1 both sides
4w>10 and 4w<-12
divide both sides by 4
w>5/2 and w<-3
graph the points -3 and 2.5
shade outside
not including



2.
union means include all common to both
so
2.  1,2,3,4,6,8,9
3. 1,2,3,4,5,7,10
4. interseciton so only ones common to both, so 4
5. null set (empty)

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