A. Find an equation of the tangent line to the graph of the following function at the point (3,-30).
-3x^2-3
B. Find the slope of the graph of the following function at the point (1,-3).
-x^2-2
C. Use the function below and it's derivative to determine any points on the graph of ?f? at which the tangent line is horizontal.
f(x)=-3x^4+6x^2, f'(x)=-12x^3+12x