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Mathematics 46 Online
mikewwe13:

The following graph represents an inequality. https://d3upxwx9bggvi1.cloudfront.net/img/questions/arei3_1_203.png Which inequality is represented by this graph? A. -6 ≤ x ≤ 3 B. x ≤ 6 or x > 3 C. x < −6 or x ≥ 3 D. -6 < x ≤ 3

mikewwe13:

@Vocaloid

Vocaloid:

notice how the values represented by the graph are less than -6 and greater than 3 also notice how 6 has an open circle while 3 has a closed circle so 6 needs to have a > or < sign while 3 needs to have a ≤ or ≥ sign which graph fulfills BOTH of these requirements?

mikewwe13:

the answer is B

Vocaloid:

*** so 6 needs to have a > or < sign while 3 needs to have a ≤ or ≥ sign check the answer choices carefully

mikewwe13:

ok the answer is not B, A or D

mikewwe13:

so therefore the answer is gotta be C

mikewwe13:

am i correct ?

Vocaloid:

yes

Vocaloid:

select all the graphs where -5 is included in the red region AND there is not an open circle on -5

Vocaloid:

there should be two answers

mikewwe13:

B and D

Vocaloid:

notice how there's an open circle on -5 in D? that means -5 is not part of the solution set let's give it one more try

mikewwe13:

C and A

Vocaloid:

|dw:1519406543329:dw|

Vocaloid:

|dw:1519406548078:dw|

Vocaloid:

again, we want the answer choices where there is NOT an open circle on -5

mikewwe13:

scratch A. D so the answer are B and C

mikewwe13:

I JUST Looked over that there are no open circles on -5

Vocaloid:

good, B + C is it

mikewwe13:

thank you so much Vocaloid i appreciate your help you are very very smart

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