Math121SampleQuiz4

# Math121SampleQuiz4 - Math 121 Name QUIZ#4(SAMPLE QUESTIONS...

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

Math 121 Name: ________________________ QUIZ #4 (SAMPLE QUESTIONS) Show all work, simplify as appropriate, and use “good form and procedure” (as in class). Box in your final answers; write units where appropriate! No notes or books allowed. USE A SCIENTIFIC CALCULATOR! 1) Find the derivatives. Simplify where possible. (19 points total) a) Dx x ln 3 4 5 + () È Î Í ˘ ˚ ˙ (7 points) b) De x xx 3 4 2 + (4 points) c) Dxe x x 26 (6 points) d) x 8 (2 points)

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

View Full Document
2) If fx x x () = ln , find ¢ fe . Do not approximate. (8 points) 3) Find the integrals. Simplify wherever possible. (33 points total) a) 41 0 7 3 xx d x -+ Ú (6 points) b) x x dx 4 4 3 + Ê Ë Á ˆ ¯ ˜ Ú (7 points) c) xd x + Ú 3 2 (7 points)
d) ed x x - Ú 4 (3 points) e) 4 5 x dx Ú (4 points) f) 33 3 12 ++ -- () Ú ww d w (6 points) 4) A deposit of \$4000 compounded continuously at 3% interest will grow to Vt e t = 4000 003 . dollars after t years. Find the rate of growth after 6 years. Round off to two decimal places and write units. (7 points)

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

View Full Document
5) The population of Fredonia is given by Pt t t () =+ 2 4 , where t is the number of years from now. Find the relative rate of change of the population 10 years from
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 5

Math121SampleQuiz4 - Math 121 Name QUIZ#4(SAMPLE QUESTIONS...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online