Respuesta :

altavistard
y = x + 2 is closest to what I believe is the solution.

If the club begins with 2 members, then +2  MUST appear in the formula.

If the club adds 2 members every week, then the total number of members would be

f(x) = y = 2 + 2(x-1), where x is the number of weeks.

Test this:  If x = 1, then y = 2+2(1-1) = 2 + 0  = 2.  This is correct.  The club began with 2 members in week 1
Hi there!

We know that on week 1, there are two students.

That means when x=1, y should be 2.

After testing each answer choice, you can eliminate every single answer choice except for y=2x.

The "2" before the x in this equation means that y is increasing 2 units when x increases 1 unit, which matches the given information.

Thus, y = 2x should be your answer.

Have an awesome day! :)

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