Explicit and Recursive Functions – Class Work
Write an explicit and recursive formula for the sequences below.
77. 12, 17, 22, 27, …
78. 3, 12, 48, 192, …
79. 128, 64, 32, 16, …
80. 59, 52, 45, 38, …
81. What is the recursive formula of f(n) = 11(5)n-1?
82. What is the explicit formula of f1 = 76 and f(n) = fn-1 – 3?
83. Write an explicit and recursive formula for the linear function, f(n) = 15x – 4.
Explicit and Recursive Functions – Class Work
Write an explicit and recursive formula for the sequences below.
84. 7, 21, 63, 189, …
85. 32, 38, 44, 50, …
86. 78, 65, 52, 39, …
87. 640, 160, 40, 10, …
88. What is the explicit formula of f1 = 2 and f(n) = 6∙fn-1?
89. What is the recursive formula of f(n) = 21 – 8(n-1)?
90. Write an explicit and recursive formula for the linear function, f(n) = 30 – 2x.
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