# Given #f(x)=5x-12#, how do you evaluate f(3)?

Enter 3 for x, then make it simpler.

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To evaluate ( f(3) ) for the function ( f(x) = 5x - 12 ), simply substitute ( x = 3 ) into the function:

[ f(3) = 5(3) - 12 ]

[ f(3) = 15 - 12 ]

[ f(3) = 3 ]

So, ( f(3) ) equals 3.

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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.

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.

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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