Math 122 Quiz 1 Name: 50 L. WM 0 NS
(1) [8] A bacteria culture initially contains 100 cells and grows at a rate that is proportional to its size.
After an hour the population has increased to 400.
(a) Find an expression for P(t), the number of bacteria af
Math 122 Sec F09N01 - Test 3 Nov 27 2009
Question 1:
(a) [5 points] Thefunction f has the following values:
z 0|1/2 1|3/2 2|
f(:r) 4|2 2|a 6|
Notice in this table that f(3/ 2) = (1. Using all of the data above and Simpsons Rule resulted
2
in
Math 122 Sec F09N01 Test 1 Oct 2 2009
Question 1:
(a) [4 points] Simplify sec (arcsin (123/ Your nal answer should not contain any trigonometric
or inverse trigonometric functions.
\ 'X ' 1
Left 9: avgs.1«(3;) so Slv\.9=2:.
:. Sec (OWCSIK
2 sec, (9)
(b
Math 122 Sec F09N01 - Test 2 Oct 30 2009
Question 1:
(a) [6 points] Water pours into a tank at a rate of 7"(t) = 4 + t2 L / min Where t 2 0. How much
water enters the tank during the rst two minutes? State units With your answer.
ew/(X: m Weegvd 3 \fm 7 W
Math 122 F09N01 - Quiz 5
Nov 12 2009
(1) [7 points] Use the trapezoid rule With n = 3 to approximate /
3
joLuTch/Uf'
2"coscr1'alm
7T/2 x .
AX: T:
- 2033
foe)- X _
3 l3
- 9<
- Ail H79) + 2 H><.)+;z"r(><z.)+ 51%)]
0 c)
co: 1 +ZwSCK)+Zw53r
a»
Math 122 F09N01 4 Quiz 6 Name: 5,
Nov 20 2009 Stu#= SO LOCILON
(1) [15 points] Determine the area bounded by the curves :1: = 23,12 and a: = 4 + y2 . First sketch
the two given curves and determine the points of intersection.
3,
Rx: Wng
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P0 {n+5