Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 11

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If $f (x)$ is an identity function, then $f (5)$ is equal to

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Important Questions on Relations and Functions

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 12

If

f (x)

and

g (x)

are polynomial functions of

x

, then domain of

\frac{f (x)}{g (x)}

is

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 13

Which of the following can represent a linear function for each

x \in R

?

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 14

If

f (x)

is a signum function, then

f (10)

is equal to

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 15

The value of

\frac{f (1.5) - f (1)}{0.25}

, where

f (x) = x^{2}

, is

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 16

If

f (x) = a x + b

, where

a

and

b

are integers,

f (- 1) = - 5

and

f (3) = 3

, then

a

and

b

are respectively

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 17

Domain of the function defined by

f (x) = \frac{x^{2} + 2 x + 1}{x^{2} - x - 6}

is given by

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 18

Domain of the function

f

given by

f (x) = 2 - |x - 5|

is

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Gamma Question Bank for Engineering Mathematics>Chapter 2 - Relations and Functions>Assignment>Q 19

The domain of

f (x) = \frac{\log_{2} (x + 3)}{x^{2} + 3 x + 2}

is