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Three times the sum of a number and seven is negative thirty-six. what is the number?

Which expression is rational? 6. , square root two, square root 14, square root 49

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.