Solutions to practice midterm 2
Sudesh Kalyanswamy and Jiayin Guo
(1) From the problem we know k = 0.25 while N = 5000, and we are going to solve
dy
y
= ky(1 ),
dt
N
with initial value y(0) = 1.
Since y(0) = 1, this means ky(1
separate the variables to g
Math 3B Exam I
Show all of your work. You may use a NON graphing
calculator. Turn your cell phones OFF and put them away.
2/9/2015
UCLA Department of Mathematics
Name _ Section _
UCLA ID _
Problem Points You earned :
1
10
2
10
3
10
4
10
5
10
Total
50
1. H
Math 3B TEST 2
3/6/2015
UCLA Department of Mathematics
Name _ UCLA ID _
Section _
Problem
1
Points
10
2
10
3
10
4
10
5
10
Total
You earned :
50
Cell phones OFF
You may use a non -graphing type calculator
Show all of your work on these pages to receive cre
"ation.
/ equ )
1. When a cake is removed from the oven, the temperature of the cake is 210 F. The cake is Eeft to
cooi at room temperature which is 70 F. After 30 minutes, the cake has a temperature of 140 F.
(Use Newtons law of cooling and write a.d
Practice for final exam Math 3B
Winter 2015
Part I Multiple choice
Circle the correct answer . Be careful to record the answer you think is correct . We will NOT
read your scratch paper . There will be NO partial credit on multiple choice problems .
1. Th
Practice for final exam Math 3B Winter 2015
Part 1 Multiple choice
Circle the correct answer . Be careful to record the answer you think is correct . We will NOT
read your scratch paper . There will be NO partial credit on multiple choice problems .
1. Th
Module 7:
Brain States and Consciousness
What is Consciousness, Exactly?
alertness; being awake
vs. being unconscious
self-awareness; the
ability to think about
self
having free will; being
able to make a
conscious decision
a pe
Module 13: Developmental Issues,
Prenatal Development,
and the Newborn
nature and
nurture
How do genes and experience
guide development over our
lifespan?
change and
stability
Issues in
Developmental
Psychology
con?nuity vs.
stages
In wh
Module 1:
The Story of
Psychology
From specula9on to science:
The Birth of Modern Psychology
Aristotle (4th century BCE) asked
ques9ons to understand the
rela9onship between body and psyche.
His way of answering those ques9ons
Module 18: Vision, and Perceptual
Organiza9on and Interpreta9on
Vision:
Energy, Sensa,on,
and Percep,on
The
Visible
Spectrum
We encounter waves
of electromagne2c
radia2on.
Our eyes respond to
some of these waves.
Our brain turns these
Module 4:
Neural and Hormonal Systems
Overview: What We Have in Mind
Building blocks of mind: Neurons and how
they communicate (neurotransmi9ers)
Systems that build the mind: Func=ons of
Parts of the Nervous system
Suppor
Math 3B Lecture 1 Winter 2015 due Friday Feb 27
HW#6
Late homework is NOT accepted .
Name
Section A B C D (circle one)
UCLA ID #
Print this page and staple it to your homework palj'ersym-
6.
I
,r-aa
\
6.1 #1,3,7,10,14,161922g39
6.2 #1,5;,8j2l17,21,24
Turn
Math 3B Practice for TEST 2.
You may use a non graphing calculator on the exam. Make sure you are familiar with
how to use it BEFORE the exam. We will not give calculator lessons during the exam.
Write neat clear answers for this practice test. I will col
Math 3B Exam l
Show all of your work. You may use a NON graphing
calculator. Turn your cell phones OFF and put them away.
2/9/2015
UCLA Department of Mathemagf
Name Section
1 1 O 2
1. Here is the function = 'x32:5
I 303: n 30(5_3x2)
with = (x2+5)2 an
Math 3B, practice for TEST 1
You will be allowed to use a NON graphing
calculator for the exam. ( like the one pictured here ) NO
cell phone calculators.
1. Graph each function. Consider : where is f(x) increasing and where is it decreasing , where
is f(x
A few solutions to Prof. Greenes practice midterm 1
Sudesh Kalyanswamy
(8) (a) The graph of y =
36 x2 is shown below in gure 1.
Figure 1: The graph of f (x) =
36 x2
It is the top half of a circle of radius 6. The portion between x = 0 and x = 6 is the rig
Math 3B, practice for TEST 1
You will be allowed to use a NON graphing calculator for
the exam. ( like the one pictured here ) NO cell phone
calculators.
1. Graph each function. Consider : where is f(x) increasing and where is it decreasing , where is f(x