T330

f(x) = If[x < 0, 0, ℯ^((-x))]
a = Integral(f, 0, Infinity)
teksti1 = LaTeX(f, true, true)
b = Integral(f, -Infinity, 3)
F(x) = (0 * (x < 0)) + ((1 - ℯ^((-x))) * (x ≥ 0))
c: F(3)
g: y = 1
teksti2 = LaTeX(F, true, true)