Asked Oct 19, 2019

Expert Answer

Step 1

Consider the provided table which is  completed with the given value in the table,

0 11
11 2
3-1 2
31 4
4+1 5
6 1 5
6 1 7

Image Transcriptionclose

f(x)x+1 0 11 0 1 11 2 3-1 2 3 31 4 4 4+1 5 6 1 5 6 6 6 1 7

Step 2

Here, f(x) is a bijection function, because for one value of x we get only one value of y.

Since, the total number of gift contains one more than the number of the guests.

So, if he invited x guests then total number of gifts he should order (x + 1).

This is the continuous function...

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