Susan's parents and grandparents each opened a college savings account for Susan on her 1st birthday. The accounts value after x years are represented as follows:
Parents: f(x) = 100(1.04)x
Grandparents: g(x) = 5x +100
Parent's plan in a(n) example of Exponential

Grandparent's plan in a(n) example of Linear
Based on the info above. Which account
will have the highest value in 15 years?