Question

25 POINTS AND BRAINLEIST HELP ASAP
Use sigma notation to represent the sum of the first seven terms of the following sequence: −4, −6, −8, …

Answer 1

aloha  my friend your answer  is -19

Answer 2

Answer:

b

Step-by-step explanation:

the summation from n equals one to 7 of quantity negative 4 plus 2 times n