7. Express the arithmetic sequence as an explicit formula. Then find the 50th term. Sequence:50, 48, 46, 44, ….. a. a₁ b. d= = c. f(n)=| d. ƒ(50)=

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter6: Exponential Functions And Sequences
Section: Chapter Questions
Problem 16CT
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Question
7. Express the arithmetic sequence as an explicit formula. Then find the 50th term.
Sequence:50, 48, 46, 44, ...
a. a₁
b. d=
=
c. f(n)=|
d. f(50) =
8. Express the arithmetic sequence as an explicit formula. Then find the 50th term.
Sequence: 5, 12, 19, 26, …..
a. a₁
b. d=
=
c. f(n) =
d. f(50)=
Transcribed Image Text:7. Express the arithmetic sequence as an explicit formula. Then find the 50th term. Sequence:50, 48, 46, 44, ... a. a₁ b. d= = c. f(n)=| d. f(50) = 8. Express the arithmetic sequence as an explicit formula. Then find the 50th term. Sequence: 5, 12, 19, 26, ….. a. a₁ b. d= = c. f(n) = d. f(50)=
9. A city has decided to test and re-paint the fire hydrants. They can test and paint 5 fire
hydrants a day. The city has already tested and painted 20 fire hydrants. They do not
work on the weekends. Write a recursive formula and an explicit formula for the
arithmetic sequence. How many can they get done in 150 days?
a. List the first 4 terms of the sequence:
b.
Recursive:
i. a₁
ii. an =
c. Explicit:
i. a₁
ii. d
=
=
=
iii. f(n)=
iv. f(150) =
Transcribed Image Text:9. A city has decided to test and re-paint the fire hydrants. They can test and paint 5 fire hydrants a day. The city has already tested and painted 20 fire hydrants. They do not work on the weekends. Write a recursive formula and an explicit formula for the arithmetic sequence. How many can they get done in 150 days? a. List the first 4 terms of the sequence: b. Recursive: i. a₁ ii. an = c. Explicit: i. a₁ ii. d = = = iii. f(n)= iv. f(150) =
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