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What’s the answer. Picture is attached

What’s the answer. Picture is attached-example-1
User Hongyi Li
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1 Answer

5 votes

y > -(1/2) x + 5 and y ≤ 3x - 2

(5,3):

3 >? -(1/2)(5) + 5 = 5-5/2 = 5/2; that's true

3 ≤ 3(5) - 2 = 13; that's true

(4,3)

3 >? -(1/2)4 +5 = 5 - 2 = 3; that's false

Answer: 2) (4,3)

Let's check the rest.

(3,4)

4 >? -(1/2)(3) + 5 = 5 - 3/2 = 7/2, true

4 ≤ 3(3) - 2 = 7, true

(4,4)

4 >? -(1/2)(4) + 5 = 5 - 2= 3, true

4 ≤ 3(4) - 2 = 10, true

Answer seems right.

User YogiZoli
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