Question

Write the sum using summation notation, assuming the suggested pattern continues.

-4 + 5 + 14 + 23 + ... + 131

Answer 1

32

Answer 2

41

Answer 3

50

Answer 4

the pattern is just add 9, write that in summation notation

Answer 5

\[\sum_{n=0}^{?}-4+9n\]

Answer 6

the ? is because idk how long your pattern is

Answer 7

is it infinity ? @cherio12

Answer 8

if your book implies that it goes on forever. if it ends at 131 then no its not infinity

Answer 9

then would it be 15 in the place of "?" I think it is

Answer 10

yup