Given f(x) = 3x^3 + kx + 1, and x – 1 is a factor of f(x), then
what is the value of k?

Asap will give brainliest and a lot of points

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²