Max is 9 years older than John. In years, the sum of their ages will be 49 . Find Max's present age

29

Step-by-step explanation:

Max's age = x

John's age = y

We know:

Using the system of two functions, we plug the first equation inside the other:

(y + 9) + y = 49

2y = 40

y = 20

Now let's substitute this value into one of the equations so to find x

x = 20 + 9 = 29

domain is all the x values included in the

0 ≤ x ≤ 2

range is all the y values of the graph

-2 ≤ y ≤ 2

***keep in mind that there are different ways to show domain and range

hope this !

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