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) =
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) =
Chapter9: Sequences, Probability And Counting Theory
Section9.2: Arithmetic Sequences
Problem 74SE: Write an arithmetic sequence using an explicit formula. Show the first 4 terms, and then find the...
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Transcribed Image Text: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: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) =
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