SohCahToa PLEASE HELP!!!
I don’t understand this

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

In which form is the following function written? y = - 2(x – 3)(x + 5)

How many and of which kind of roots does the equation f(x)=x3−x2−x+1