Question 1 Calculate 8∑r=1(2r+2)Expected answer: Save answer Score: 0/1 Feedback for . Hide feedback.The feedback has changed.This feedback is based on your last submitted answer. Save your changed answer to get updated feedback. Or, you could: ⤺ Go back to the previous part There's nothing more to do from here. Advice We can manipulate the equation like so: 8∑r=1(2r+2)=28∑r=1r+8∑r=12=2×8(8+1)2+8×2 Score: 0/1 Total 0/1 Move to the next questionTry another question like this oneReveal answers