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1. Explain why f(1)=-20-5

2. Explain why f(3)=-20-5-5-5.

3. Complete the expression: f(10)=-20-____. Explain your reasoning.

4. A sequence defined by f(0)= -4, f(n) = f(n-1) - 2 for n1. Write a definition for the nth term of the sequence

 

Write the first five terms of each sequence. Determine whether each sequence is arithmetic, geometric, or neither.

1. a(1) = 5, a(n) = a(n-1) + 3 for n 2.

2. b(1) = 1, b(n) = 3b(n-1) for n 2.

3. c(1)=3,c(n)=-c(n-1)+1 for n2

4, d(1)=5,d(n)=d(n-1)+n for n2

 Sep 13, 2023
 #1
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For the first one assuming that f(1) = 20-5 then im guessing the function is that when n increases the number of fives subtracted from 20 increases via the number of n (f(n)).

 

f(10) = -20-5-5-5-5-5-5-5-5-5-5 sooooo it has 5 tens 

 

4. f(1) =  - 6 as its a recursive function meaning you need to find the previous function number 

 

smiley

 Sep 14, 2023

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