Question

livia started her banking account with $100 and is increasing the account $20 per month. The independent variable is

Answer 1

Explanation:

The independent variable is the number of months that have gone by.

She starts out with $100 and during the first month adds $20, obtaining $120. And so on.

So the amount she has after x months is $100 + ($20/mo)x.

Answer 2

the independent variable is the $20 per month

Explanation:

It's not the $100 that she started with because that depends on how much she makes a month. The independent variable is the $20 per month because it doesn't depend on anything.