MTH202 QUIZ 2 CURRENT QUIZ FALL SPRING
MTH202 QUIZ 2 CURRENT QUIZ FALL SPRING |
QUESTION:
Let f( x )= x
+ 2 then inverse
of f( x ) is
= x-2
QUESTION:
If A is
defined as the
set of English
alphabets then the
cardinality of A is
= 26
QUESTION:
Let f( x )= 3x
and g( x ) = x+2
define function f and g
from R to
R then ( f . g ) ( x ) is
= 3x
square +
6x
QUESTION:
Inverse
of a function
may not be
a function
= true
QUESTION:
A
function whose inverse function
exists is called
a/an ----------------
=invertible
QUESTION:
The
total numbers of
terms in arithmetic
series
0+5+10+15+……………..50
are
=11
QUESTION:
A graph of
a function f
is onto iff Avery horizontal
line intersects the
graph at least
one point
= true
QUESTION:
The
function fog and
gof are always
equal
= false
QUESTION:
Common
ratio in the
sequence 4,16,64,256,………. Is
=4
QUESTION:
A set is
called finite iff
it is the
---------- or there
is --------------
=empty
set or bijective
QUESTION:
If 1st term
of a geometric
sequence is 2
and common ratio
is ½ then 3rd term
of sequence is
----------------------
=1/2
QUESTION:
Let f( x )=3x and
g( x ) =3x-2 the ( f
+ g ) x
= 6x-2
QUESTION:
F(x)=x
square is not
one to one
function from R
to R
= TRUE
QUESTION:
THE
PROCESS OF DEFINING
AN OBJECT in
terms of smaller
version of itself
is called recursion
= true
QUESTION:
A set is
called countable if
and if it is
= finite, infinite ,
countable infinite
QUESTION:
A
sequence whose terms
alternate in sign
is called an ------------------
= alternating
sequence
QUESTION:
Number
of one to
one function forms
X={ a, b } to Y ={ 4, v }
are equal to
= 2
QUESTION:
An
important data type
in computer programming
consists of ----------------
= finite
sequence
QUESTION:
X + a, X+3a, X+5a
------------------ is a/an
=
arithmetic sequence
QUESTION:
If a function
is recursively defined
as f(0)= 4 and
f(x=1)=3f(x)=3 then f(1)
= 15
QUESTION:
In the following
sequence ak = k/( k + 1 ) ,
for k= 1, a, will
be
= ½
QUESTION:
If f( x )=x and g( x
) = -x are both
one to one
function then ( f + g )( x ) is
also one to
one function
= true
QUESTION:
If f is
defined recursively by f( 0
)= -1 and f(x+1)
= f ( x ) +3 then
f( 1 ) =
= 2
QUESTION:
The
function f and
g are inverse
of each other
iff their composition
gives -----------------
= identity
function
QUESTION:
Which of the
following is the
domain of a
sequence
= set of natural numbers
QUESTION:
The
world algorithm refers to
a step by
step method for
performing dome action
= true
QUESTION:
A
predicate becomes ---------------- when
its variables are
given specific values
= statement
QUESTION:
The sum of
two irrational numbers
must be an
irrational number
= false
QUESTION:
Division
by zero is
allowed in math
=false
QUESTION:
The
product of any
two consecutive positive
integers is divided
by two
=true
QUESTION:
If n is
an odd integer then
n power 3 + n is
=even
QUESTION:
For
integers a , b, c , if a
is divided b
and a divided
c then a
divided ( a + b )
= false
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