Answers to Exercise 4.1(a)
(a) y = 3x + 4 (1) and y = -2x + 19 (2)
Substitute (1) into (2), we have 3x + 4 = -2x + 19
5x = 15 x = 3. Substitute x = 3 into (1), we
have y = 3(3) + 4 = 13.
The point
Answers to Exercise 8.1(a)
(a) f ( x) (3 x 2)( x 2 2) f '( x) (3 x 2)
d 2
d
( x 2) ( x 2 2) (3 x 2)
dx
dx
(3 x 2)(2 x) ( x 2 2)(3) 9 x 2 4 x 6
d
d
(2 x 1) (2 x 1) ( x 3 1)
dx
dx
( x3 1)(2) (2 x 1)(3
Answers to Exercise 1.1
(a) False. Consider a = 2 and b = . Then ab = 1 but a,
b 1
(b) True. Multiplying both sides of the equation by 1/a
1
1
0or
b=0
ab
(which exists because a0), we have
a
a
(c)
Answers to Exercise 9.1(a)
(a)(i) f(x)=2x2 - 3x + 4,f(x) = 4x 3 and f(x) = 4 > 0 for all
values of x. So f is
concave upward on
(-,)
1/ 2
1
/
2
1/ 2
1
1
f
(
x
)
(
4
x
)
,
f
'
(
x
)
(
4
x
)
(
1
)
(
4
Answers to1Exercise 10.1(a)
(a ) x dx x C
3
4
3
2 3 / 2
2 3/ 2
(b) t dt t dt t C
t C
3
3
1/ 2
(c) 5e x dx 5e x C
(d ) x
1/ 2
2x
1 / 2
2 3/ 2
1/ 2
dx x 4 x C
3
Answers to Exercise 10.1(b)
(a) f(x)
Answers to Exercise 7.1(a)
(a)
lim f ( x) 1
(b)
x 1
lim f ( x) 0
x 0
f(x)
f(x)
f(x)=x
1
1
1
2
x
x
0
f(x)=x
f(x)=-x+2
Answers to Exercise 7.1(b)
x2 1
( x 1)( x 1)
(a ) lim
lim
lim ( x 1) 1 1 2
x 1 x
Answers to Exercise 3.1(a)
y2 y1 8 3
(a)m
5
x2 x1 5 4
y2 y1
83
5
(b)m
x2 x1 4 (2) 6
Answers to Exercise 3.1(b)
Since the equation is in the slope-intercept
form, we read off the slope m = 4.
(a) I
Answers to Exercise 6.1(a)
(a) A 1000(1 0.07)8 $1718.19
m
r
(b)reff 1 1,
m
r 0.1,
m2
2
0.1
reff 1
1 0.1025,
2
8
or
0.06
(c) P 40,0001
$31,576.37
2
10.25%
Answers to Exercise 6.1(b)
(a) The
Vaccines are the most effective method for preventing infectious diseases. The researchers enumerated three types of
vaccines that are mostly use today such as the live attenuated ex: MMR and AMV, ina
The third method is based from the
Archimedes Principle. In this method, a
given material will be suspended in a liquid
that has approximately the same density.
1. Theory
Density
The density
of a mate
I was born on May 26,
1998. The
first princess of Maya
Family.
Dont bathe me the
water is COLD!
I was baptized when I
was two weeks old. My
mom looked very
happy.
Had my first solid food
which was mas
Section
PE class
I.
g.
h.
r.
2
always
often
sometimes
Seldom
Never
3
Stress eating
Sleeping longer
than usual
Anxious/ Irritable
Mood swings
Low Self esteem
Frequent Alcohol
Consumption
Tobacco Use
Il
Outline: Renal Disease
I.
II.
III.
IV.
I.
II.
Definition
A. Kidney and its functions
B. Kidney disease
1. Acute kidney disease
2. Chronic kidney disease
Causes of Kidney Disease
Signs and Symptoms
Pre
LESSON PLAN
Theme: Breastfeeding
Title:
Target Age: Pregnant Mothers
Goal: To conduct health education to all pregnant mothers regarding breastfeeding. To provide the definition of
breastfeeding and t
SELF
HOME
REGION
VULNERABILITIES
I am afraid to be alone
and left behind.
I easily get panic.
I cannot say no to my
baby brothers.
I can be my best or my
worst inside my home
because I am in my
comfor
Stud
ent
Distance travelled by
the meter stick (m)
Normal
A
B
C
D
0.12m
0.32m
0.15m
0.25m
Distracte
d
0.25m
0.40m
0.33m
0.31m
Normal Distract
Reaction ed
Time (s) Reaction
Time (s)
0.16s
0.26s
0.17s
0
Why politicians are asking the wrong questions about
gender inequality
ONE issue that virtually every Democratic presidential candidate has weighed in on
this year is the wage gap between the sexes. T
Candidate Name
Civics Group
General Paper Tutor
MERIDIAN JUNIOR COLLEGE
Preliminary Examination
Higher 1
_
H1 General Paper
8806/02
rd
Paper 2
3 September 2010
1 hour 30 minutes
Candidates answer on t
Meridian Junior College
General Paper JC2 Preliminary Examination (2010)
Paper 2 Suggested Answer Scheme
PASSAGE 1
(1) Explain the authors argument in paragraph 1. Use your own words as far as possibl