I need all working and steps to be shown. AlsoI need a need step by step process how how you arrived at the answer and explanations ( espically for the graphs). Everything should be clear. Document...

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Answered Same DayDec 20, 2021

Answer To: I need all working and steps to be shown. AlsoI need a need step by step process how how you arrived...

David answered on Dec 20 2021
124 Votes
1) Solution:
a.


( )
It is the value of the function just before 0.
b.


( )
It is the value of the function just after 0.
c.



( )
It is the value of the function exactly at 0.
Now, since


( )

( )
i.e. Left hand limit is not equal to right hand limit, the limit for the given function does not
exist at 0.
2) Solution:





( )( )




( )
Now,
LHL:


( )
RHL:


( )
Since, LHL = RHL
Limit exists and is equal to 6.
3) Solution:





(√ )



(√ )(√ )




(√ )
Now,
LHL:


(√ )
RHL:


(√ )
Since, LHL = RHL
Limit exists and is equal to 4.
4) Solution:
( ) {

For a function to be continuous at a point ,


( )

( )

( )
i.e. the LHL, RHL and value of function at the exact point should be same.
Now, at
LHL:


( )

( )


( )
( )
Since,
( ) is not continuous at
5) Solution:
From the definition of derivative
( )

( ) ( )


Now,
( )
( )

( )




( )




( )




( )
6) Solution:
( )



The slope of the tangent to any point at the given curve is the derivative ( )
( )



Now,
To find the equation of tangent at point ( )...
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