What is the scale factor? help, math test due today

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table