I need help on my homework pls

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

The parabola opens: y=√x-4 (principal square root) up down right left

What are the domain and range of the function f(x)=2^x+1