What is the amount of increase or decrease in a function usually written as a fraction?

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2