Question

can i get help?

Answer 1

perhaps

Answer 2

okay one sec

Answer 3

i need to evaluate

Answer 4

this \[\sum_{k=3}^{9} 5k-8\]

Answer 5

ok this says that you have to evaluate the sumation from 3 to 9 of the function

Answer 6

so since this is only 6 numbers you can plug three in the function, 4 in the function, 5 in the function, etc. simply add them all together and you have your answer thats why it is called a summation. there are other rules that apply to summations but this one can be approached straight forward

Answer 7

does that help?

Answer 8

well the answers are either 100,154,200,266

Answer 9

154