1.  -1

2.  -2

3.  -3

4.  -4

4

-2

Explanation :
No Explanation available for this question

# Let Z denote the set of integers, define then f is :

1.  onto but not one-one

2.  one-one but not onto

3.  one-one and onto

4.  neither one-one nor onto

4

onto but not one-one

Explanation :
No Explanation available for this question

# then f’(1) is equal to:

1.  -(1/9)

2.  -(2/9)

3.  -(1/3)

4.  1/3

4

-(2/9)

Explanation :
No Explanation available for this question

# If f(x)=x/(1+|x|), for x ε R, then f’(0) is equal to:

1.  0

2.  1

3.  2

4.  3

4

1

Explanation :
No Explanation available for this question

# Let f: R ε R be defined by Then the value of f(-1.75) + f(0.5) + f(1.5) is:

1.  0

2.  1

3.  2

4.  -1

4

1

Explanation :
No Explanation available for this question

# A minimum value of is

1.  0

2.  1

3.  2

4.  3

4

0

Explanation :
No Explanation available for this question

# Two functions f:R→R , g:R→R are defined as follows Then (fog)(π)+(gof)(e) is equal to:

1.  0

2.  -1

3.  2

4.  1

4

-1

Explanation :
No Explanation available for this question

# Gas is being pumped into a spherical balloon at the rate of 30ft3/min.The rate at which the radius increases when it reaches the value 15ft,is

1.  1/30π ft/min

2.  1/15π ft/min

3.  1/20 ft/min

4.  1/25 ft/min

4

1/25 ft/min

Explanation :
No Explanation available for this question

# is equal to:

1.  2

2.  7

3.  √7

4.  √2

4

√7

Explanation :
No Explanation available for this question

1.  tan-1(2√2)

2.  tan-1(3√2)

3.  tan-1(3√3)

4.  tan-1(5√2)

4