Answer:
Option 4
Step-by-step explanation:

Substitute
:

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Check first option:

Substitute
:

Since 16 is not greater than 16, the first option is incorrect.
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Check second option:

Substitute
:

Since 8 is not greater than 16, the second option is incorrect.
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Check third option:

Substitute
:

Since 16 is not greater than 16, the third option is incorrect.
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Check fourth option:

Substitute
:

Since 18 is greater than 16, the fourth option is correct.