1. Change the power from 1 to larger integer. 
    What do you notice?

2. A linear relationship is represented by a straight line. 
    What power of x produces a linear relationship? 

3. If the x in the equation has a power of 3, the graph is
    called a parabola. This is a non-linear relationship.

4. If the x in the equation has a power of 2, the graph 
    is called a cubic. This is a non-linear relationship.

n = 4 (slider from -10 to 10, step 1)
f(x) = x^(n)
text2: "y=x^{" + (LaTeX[n]) + "}"