Hello there. can you help with this. thank you :D

you get 20 points ^^

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

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