Answer:
I belive the answer is D
Step-by-step explanation:
The domain the given graph is :
- -12 <u><</u> x <u><</u> 13
The answer is 0.04444... or 2/45. Whichever is more useful to you.
Again, a spreadsheet or suitable calculator makes this short work.
The sum is 184.
_____
The terms being summed are ...
2·3² +3 = 2·9 +3 = 18 +3 = 21
2·4² +3 = 35
2·5² +3 = 53
2·6² +3 = 75
Their total is
21 +35 +53 +75 = 184