What is the length of said JL

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

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

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls