compare attributes of a cube and cylinder

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

If g^-1(x) is the inverse of g (x) which statement must be true

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function