f_k

f_k'

f_k''

h

a = true
k = -2 (slider from -2 to 2, step 0.5)
f(x) = ((x - k) * ℯ^((-x)))
f1(x) = f'(x)
f2(x) = f''(x)
b = false
c = false
H: (1 + k, f(1 + k))
h(x) = ℯ^((-x))
W: (2 + k, f(2 + k))
gl1: x = k
gl2: x = k + 1
gl3: x = k + 2
N: (k, 0)
d = false