Question 728 • Crowley Credit Recovery Algebra II B
Each term is 2.5 times the term before it: 3 ÷ 1.2 = 2.5, and 7.5 ÷ 3 = 2.5. Since the first term, 1.2, occurs when x = 1, the rule is f(x) = 1.2(2.5)^(x − 1). This is choice A.
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