Answer:
14
Step-by-step explanation:
A function g is defined by [tex]g(x)=50-2x.[/tex]
If x increases by 7, then x becomes x + 7.
Substitute it into the function expression:
[tex]g(x+7)\\ \\=50-2(x+7)\\ \\=50-2x-14\\ \\=36-2x[/tex]
Now find how g(x) decreases:
[tex]g(x)-g(x+7)\\ \\=(50-2x)-(36-2x)\\ \\=50-2x-36+2x\\ \\=14[/tex]
g(x) decreases by 14
