Question

T(n) is the total number of lights in a triangular lighting rig of n rows, as shown. Which polynomial function represents T(n + 1)?
T(n)=1/2n^2+1/2n

Answer 1

put n+1 instead of n in T(n)=1/2n^2+1/2n

Answer 2

T(n+1)=1/2n^2+1/2(n+1)

Answer 3

??

Answer 4

??

Answer 5

T(n+1)=1/2n^2+1/2(n+1)
^
you forgot to put n+1 here as well

Answer 6

so wat wud b tha awnser

Answer 7

the answer would be what you wrote above, but with n+1 in place of n

Answer 8

...all the n's in
1/2n^2+1/2n
get replaced by n+1
you did it right for the second n, but you forgot to do it for the first

Answer 9

a. T(n+1)=1/2n^2+3/2n+1
b. T(n+1)=1/2n^2+1/2n+1
c. T(n+1)=1/2n^2+n+1
d. T(n+1)=1/2n^2+1

??

Answer 10

I'm not just going to give you the answer
that is against the code of conduct here

Answer 11

however I'm not so sure the answer is on the list lol
looks like you have to do some simplification first