Functions Test 37

Result

Functions Test 37

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

If $$f:R\rightarrow R,f\left( x \right) =\dfrac { { ax }^{ 2 }+6x-8 }{ a+6x-{ 8x }^{ 2 } } $$ is onto, then $$\alpha \in $$

A
$$\left( 1,\infty \right) $$

B
$$\left( 0,\infty \right) $$

C
$$\left( 2,12 \right) $$

D
$$\left[ 2,14 \right] $$

Solution
Question 2
1 / -0

If working set window is too large _____________________.

A
it will not encompass entire locality

B
it may overlap several localities

C
it will cause memory problems

D
none of the mentioned
Question 3
1 / -0

Time complexity to check if an edge exists between two vertices would be __________.

A
O(V*V)

B
O(V+E)

C
O(1)

D
O(E)

Solution
Question 4
1 / -0

What is the definition for Ackermann's function?

A
A(1,i) = i+1 for i>=1

B
A(i,j) = i+j for i>=j

C
A(i,j) = i+j for i = j

D
A(1,i) = i+1 for i<1
Question 5
1 / -0

The domain of definition of $$f(x)=\dfrac { \sqrt { -{ log }_{ 0.3 }(x-1) } }{ \sqrt { { x }^{ 2 }+2x+8 } } $$ is :

A
(1, 4)

B
(-2, 4)

C
(2, 4)

D
[2, 8)

Solution
Question 6
1 / -0

Let $$f:R\rightarrow R$$ be defined by $$f(x)=\left|\begin{matrix} 2x & x > 3\\ x^2 & 1 < x \leq 3\\ 3x & x\leq 1\end{matrix}\right.$$. Then $$f(-1)+f(2)+f(4)$$ is?

A
$$9$$

B
$$14$$

C
$$5$$

D
$$10$$

Solution

$$f(-1)+f(2)+f(4)$$

$$=-3+4+8=9$$.
Question 7
1 / -0

Following code snippet is the function to insert a string in a trie. Find the missing line.

A
node = node.children[index];

B
node = node.children[str.charAt(i + 1)];

C
node = node.children[index++];

D
node = node.children[index+++];
Question 8
1 / -0

Function which is used to read strings is __________.

A
getch()

B
getc()

C
getstr()

D
gets()
Question 9
1 / -0

A function inside another function is called a _____ function.

A
Nested

B
Sum

C
Text

D
None of these
Question 10
1 / -0

LetN be the set of natural numbers and two functions f and g be defined as $$ f, g: N \rightarrow N $$ such that$$f ( n ) = \left\{ \begin{array} { l l } { \frac { n + 1 } { 2 } } & { \text { if } n \text { is odd } } \\ { \frac { n } { 2 } } & { \text { if } n \text { is even } } \end{array} \right.$$and $$ g ( n ) = n - ( - 1 ) ^ { n } . $$ Then fog is :

A
onto but not one-one.

B
one-one but not onto.

C
both one-one and onto.

D
neither one-one nor onto.

Solution

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Functions Test 37

Result

Functions Test 37

Score

-

Rank

-

SHARING IS CARING

Question 1

$$\left( 1,\infty \right) $$

$$\left( 0,\infty \right) $$

$$\left( 2,12 \right) $$

$$\left[ 2,14 \right] $$

Solution

Question 2

it will not encompass entire locality

it may overlap several localities

it will cause memory problems

none of the mentioned

Question 3

O(V*V)

O(V+E)

O(1)

O(E)

Solution

Question 4

A(1,i) = i+1 for i>=1

A(i,j) = i+j for i>=j

A(i,j) = i+j for i = j

A(1,i) = i+1 for i<1

Question 5

(1, 4)

(-2, 4)

(2, 4)

[2, 8)

Solution

Question 6

$$9$$

$$14$$

$$5$$

$$10$$

Solution

Question 7

node = node.children[index];

node = node.children[str.charAt(i + 1)];

node = node.children[index++];

node = node.children[index+++];

Question 8

getch()

getc()

getstr()

gets()

Question 9

Nested

Sum

Text

None of these

Question 10

onto but not one-one.

one-one but not onto.

both one-one and onto.

neither one-one nor onto.

Solution

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.