Study the following and pick up the correct combinations:
Gland Hormone Disorder
I. Pancreas Insulin Diabetes insipidus
II. Thyroid gland Thyroxine Tetanus
III. Adrenal glands Cortisol Cushing’s syndrome
IV. Pituitary gland Somatotropin Dwarfism
If \[ \int e^x (x^3 + x^2 - x + 4) \, dx = e^x f(x) + C, \] then \( f(1) \) is: