Solutions to Exam 3 (Purple Version)Ma123 F05

# Calculus (With Analytic Geometry)(8th edition)

• Homework Help
• davidvictor
• 5

This preview shows pages 1–5. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

This preview has intentionally blurred sections. Sign up to view the full version.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: joLqucs - gamut a: .. mum/e l. (18 pts.) Consider the two curves shown below: HHIH Fiﬁlil EHHET FUHC a. At what x values do the two curves intersect? 1 21¢ ( 7c ~37 " o b. Write a single integral (don’t evaluate it) for the (shaded) ween the two curves. 2. (13 pts.) Determine the following: d x . a _l t(s1nt) dt = (53.x) 3. (9 pts.) The region below the curve f(x)=x3 +3x2, ISxSZ and above the x—axis, for IS x S 2, is displayed below: HFIIH FiFIIII EHFIIIT FUHE Which of the following is approximating the area under the curve and above the x—axis between 1 . - oose one)? ; iii. 21 - n "it3 i2 iv. ——+3— n) t] Fur rp cleansed“? ("c Jakl. 4‘14 K6771»? mg (he! ﬂaky/3?; Q}, [444' M’Vaiéb 4‘0 0547.; m 50% 4. (46 pts.) Compute each of the following integrals: a.IxJ'-;3dx 5 S “Xi/1‘" Ax: 9/2 V 'L 'X -23‘.+c 37;) (1/1,) H bjx/t—ZTS (Ast45 ‘ H“ ,L A“ JcAJr continued next page 1 ("7:1 Au“- r7.xe *ééu: xéuc \$3 '20 ~47: ’- 4x 0 7. *~ 0-“) ﬂclu r. 25" 7(2 2. 2. 5. (19 ts.) The re ion between the curve a. P g :- 2 5‘ _- 7c y = 2" 25—x2 a. x1 t 25 t '7 /+ and the x—axis in the first quadrant is shown below. Note that (5,0) and (0,10) are points on the curve. x : r7; 5 ‘_ 7«/\$ Fiv ' sz F3 FH FEv FEv F? S! Took zoom Trace Hear-1H: Hath [Ir-aw Pen =-2 ll ll /f°) HHIH Fiﬁlil EHFICT FUHC a. Write, but don’t evaluate, an integral for the volume of the object obtained when revolving this (shaded) region about the y-axis. 43W 07" (J 15» MW >217 [V (Y D 7C:¢7 K; dzf~o"‘/+ b. Write, but don’t evaluate, an integral for the volume of the object obtained when revolving this (shaded) region about the x—axis. ’7 2 ‘2_ m; ( 5W(zfz;::>147‘ a Hint: The answers to parts a. and b. are different. ...
View Full Document

• Summer '06
• JOHNSON

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern