The 10th term of the arithmetic 5x + 6, 11x + 2, 17x - 2, Please help it would be appropriated

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Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.