Suppose that for f, f,.. is a sequence defined as follows. fo = 5, f, = 16, fk = 7f -1- 10f-2 for every integer k 2 2 Prove that f. = 3. 2" + 2. 5" for each integer n 2 0. Proof by strong mathematical induction: Let the property P(n) be the equation f.= 3. 2" + 2 · 5". We will show that P(n) is true for every integer n 2 o. Show that P(0) and P(1) are true: Select P(0) from the choices below. O P(0) = 3- 20 + 2- 50 O f = 3- 20 + 2- 50 Ofo = 5 O P(0) = fo Select P(1) from the choices below. O P(1) = f Of = 16 O, = 3-2 +2-5 O P(1) = 3 - 21 + 2.51 P(0) and P(1) are true because 3· 20 + 2.50 = 5 and 3- 21 + 2.5 = 16. Show that for every integer k2 1, if P(i) is true for each integer i from 0 through k, then P(k + 1) is true: Let k be any integer with k 2 1, and suppose that for every integer i with o sisk, f,= This is the -Select-- We must show that f 1= Now, by definition of fo, f, f2., fk +1 = Apply the inductive hypothesis to f, and f , and complete the proof as a free response. (Submit a file with a maximum size of 1 MB.) Choose File No file chosen
Suppose that for f, f,.. is a sequence defined as follows. fo = 5, f, = 16, fk = 7f -1- 10f-2 for every integer k 2 2 Prove that f. = 3. 2" + 2. 5" for each integer n 2 0. Proof by strong mathematical induction: Let the property P(n) be the equation f.= 3. 2" + 2 · 5". We will show that P(n) is true for every integer n 2 o. Show that P(0) and P(1) are true: Select P(0) from the choices below. O P(0) = 3- 20 + 2- 50 O f = 3- 20 + 2- 50 Ofo = 5 O P(0) = fo Select P(1) from the choices below. O P(1) = f Of = 16 O, = 3-2 +2-5 O P(1) = 3 - 21 + 2.51 P(0) and P(1) are true because 3· 20 + 2.50 = 5 and 3- 21 + 2.5 = 16. Show that for every integer k2 1, if P(i) is true for each integer i from 0 through k, then P(k + 1) is true: Let k be any integer with k 2 1, and suppose that for every integer i with o sisk, f,= This is the -Select-- We must show that f 1= Now, by definition of fo, f, f2., fk +1 = Apply the inductive hypothesis to f, and f , and complete the proof as a free response. (Submit a file with a maximum size of 1 MB.) Choose File No file chosen
Chapter9: Sequences, Probability And Counting Theory
Section9.1: Sequences And Their Notations
Problem 62SE: Follow these steps to evaluate a finite sequence defined by an explicit formula. Using a Tl-84, do...
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