Question 1200359
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The one-to-one functions g and h are defined as follows.

g={(-9,8),(-4,2),(2,1),(4,-5)}

h(x)=x+13/11

Find the following.

(a) g^-1(2)=

(b) h^-1(x)=

(c) (h^-1 o h)(-2)=
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<pre>
(a)  To answer this question (a), you should understand how the inverse function works 
     and what they want from you.

     You are given this function "g" as a sequence of pairs.

     In each pair, the first  number is the input,  or the argument;
                   the second number is the output, or the value of the function.

     When they ask you to find g^-1(2), it means for you:

          - find a pair with "2" in the second position
                   (this pair is unique: it is (-4,2) );

          - and return the number in the FIRST position of this pair.


     So, the answer to question (a) is -4,  which is in the first position of this pair.
</pre>

Part (a) is complete.


If you do understand this my explanation (which is VERY clear), then do not post similar questions in the future.