Sec.+7.2+Day+1

Put ans. here in numerical order.

1. y=-x+1 [0,1] r=-x+1 V= ∫πr^2 V=π ∫ [0,1] (-x+1)^2 dx V= 1.047 cubic units

2. y= 4-x^2 [0,2] r= 4-x^2 V= ∫πr^2 V= π ∫ [0,2] (4-x^2)^2 dx V= 53.618 cubic units

-Heather Henry


 * 3, 4 - Andy Humphrey


 * 1) 5 & #6


 * 1) 5 & #6 done by: Frances Dannenbrink


 * 1) 7/8 done by Kamryn Richard

i agree with #7 but i got (128pi/3) for #8 -Daniel Lee

9. Done by: Becca Jones

I got the same thing for #9. Checked by Matt bogaert


 * 1) 11 a,b worked by: Jennifer Ryan

13a) And it's kinda hard to read, but the answer I got was V= 10.667pi units cubed -Done by Sarah Slack Period 3 Checked by Maggie McClurkin, correct!

25 done by brooke wiggins looks good, checked by Jose Castellanos

27) Done by Emily Johnson



33.

-Done by Mason Hurtte

Looks good to me. Checked by Andrew Kim 38. 41. It looks like a Hershey's kiss Done by: Michael MacCrory
 * 1) 37 Work by Brandon Hoffman
 * 1) 38 Done by Alex Dubois, i was supposed to check but no one posted