Daisy started a seashell collection she started with 10 seashells and gets 2 new ones each month. daisy wants to be able to predict the total number of seashells in her collection, y, over x months. which function rule models her seashell collection?
1. f(x)=12x
2. f(x)=10x+2
3. f(x)=2(x-10)
4. f(x)=2x+10