Let f(x) = x^2-4 and g(x) =x^3 simplify or evaluate the function g(f(u))

How do you determine if an ordered pair is a solution to a given equation?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2