Answer:
17
Explanation:
Since the y value for 5 is 11 and increases by 2 for the x value of 6, the x value 8 is two more that the x value 6 so you would double the amount added on from 5-6, ( which is going to be 4) so 13 +4=17
Hope this helped
Step-by-step explanation:The rule is that x is increased by one then added to x
So 5 + 6 = 1
So 8 +9= 17
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