Function:

Clear Trace

f(x) = ((x + 3) * (x - 4))
InputBox1 = Textfield(f)
A = Point(f)
a = Tangent(A, f)
m = Slope(a)
A_D: (x(A), m)
f'(x) = f'(x)
B = Extremum(f)
C = Root(f')