How do you find the inverse of # f(x) = (x + 2)^2# and is it a function?
The inverse is a function.
The graph of the inverse takes the form of what follows:
graph{sqrt(x)2 [10, 10, 5, 5]}
The inverse is a function.
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To find the inverse of ( f(x) = (x + 2)^2 ) and determine if it is a function:
 Replace ( f(x) ) with ( y ).
 Swap ( x ) and ( y ) to get the inverse.
 Solve for ( y ).
 Check if the inverse is a function.
( f(x) = (x + 2)^2 )

Replace ( f(x) ) with ( y ): ( y = (x + 2)^2 )

Swap ( x ) and ( y ) to get the inverse: ( x = (y + 2)^2 )

Solve for ( y ): ( \sqrt{x}  2 = y )
So, the inverse function is ( f^{1}(x) = \sqrt{x}  2 ).
 To determine if it's a function, check if each input (xvalue) maps to exactly one output (yvalue). Since the inverse is ( f^{1}(x) = \sqrt{x}  2 ), it is a function as long as the square root function ( \sqrt{x} ) itself is considered a function.
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When evaluating a onesided 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 onesided 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 onesided 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 onesided 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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