Ngl i totally forgot how to do this s-h-i-t lol The initial value of an exponential function 1.8. The rate of growth is 4.2%. Which models the value of the function, y, over time t?

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {