Can i get help with this problem please and thanks

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.