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How do you evaluate #absc-a# when a=0 and c=-4?

Answer 1

Genesis Amaya

#|c|-a#

#= |-4| - 0# #= 4-0# #= 4#

Note: The sign of | | means all value in this sign have to change to positive number.

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Answer 2

Nova Allen

To evaluate ( absc - a ) when ( a = 0 ) and ( c = -4 ), substitute the given values into the expression:

( absc - a )

( = (0) \times |(-4)| - 0 )

( = 0 - 0 )

( = 0 )

Therefore, when ( a = 0 ) and ( c = -4 ), the value of ( absc - a ) is ( 0 ).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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