Please anwser ASAP, question below

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =