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Write and interpret geometric recurrence rules

DIFFICULTYintrostandardchallengeexam
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Question 1 of 8

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These are the first four terms of a geometric sequence, beginning at index 0: 4, 4, 4, 4

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Give both equations that define this geometric sequence using u and n. Start at term index 0 and express the next term from the current term

Format: Use u(0) and u(n+1); separate equations with ;. Use * for multiplication and parentheses around plain-text fractions