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PLZ HELP ME!!!!!!!!!!!!!!!!!!!

PLZ HELP ME!!!!!!!!!!!!!!!!!!!-example-1

2 Answers

2 votes

Looking at the number line you have filled circle at positive 2 and moving towards right to infinite.

If you have a filled circle that means the solution does contain value 2. The bold arrow shows that the value of x is increasing to infinite. Both this statement mean x is greater or equal to 2.

x >= 2.

Solution: [2, infinite)


A) x + 2 >= 0

x >= -2

(False)


B) x <= 2

(False)


C) 3x -1 <= 5

3x <= 5+1

3x <= 6

x <= 2

(False)


D) 2x + 12 >= 16

2x >= 16 - 12

2x >= 4

x >= 2

(True)


Answer: D x >= 2


User Rkmax
by
7.4k points
6 votes

The correct answer is D. 2x + 12 >= 16.

It's because:

2x + 12 >= 16

2x >= 16 - 12 = 4

x >= 2, which is represented on the number line

User ToastyMallows
by
9.0k points

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