Home > A2C > Chapter 13 > Lesson 13.1.3 > Problem 13-53
13-53.
For the sequence: 7, −2, −11, −20, … Homework Help ✎
Find t(40), the 40th term.
Find S(40), the sum of the first 40 terms.
t(n) = −9n + 16
t(40) = −344
Use the summation formula:
For the sequence: 7, −2, −11, −20, … Homework Help ✎
Find t(40), the 40th term.
Find S(40), the sum of the first 40 terms.
t(n) = −9n + 16
t(40) = −344
Use the summation formula: