Answer:
f(x) = [tex]x^{2}+5x+4[/tex]
Step-by-step explanation:
∵ The zeroes of the function are x = -4 and x = -1
∵ x + 4 = 0 and x + 1 = 0
∴ The factors of the function are (x + 4) (x + 1)
∴ The function = (x + 4) (x + 1)
∴ f(x) = [tex]x^{2}+5x+4[/tex]