1. Rakesha claims that the equation f(n) = 5n – 7 is the function notation for the sequence that is represented by the explicit formula a, = -2 + 5(n – 1). James doesn't understand how this can be the case. a. Help James by listing the steps to write the explicit formula of the given sequence in function notation. Provide a rationale for each step. b. Graph the function. Label the first 5 values of the sequence on the graph.
1. Rakesha claims that the equation f(n) = 5n – 7 is the function notation for the sequence that is represented by the explicit formula a, = -2 + 5(n – 1). James doesn't understand how this can be the case. a. Help James by listing the steps to write the explicit formula of the given sequence in function notation. Provide a rationale for each step. b. Graph the function. Label the first 5 values of the sequence on the graph.
Chapter9: Sequences, Probability And Counting Theory
Section9.3: Geometric Sequences
Problem 52SE: Use explicit formulas to give two examples of geometric sequences whose 7thterms are 1024.
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