Final answer:
To hunt big game, a broadhead arrowhead is used due to its sharp blades that cause significant damage necessary for larger animals.
Step-by-step explanation:
The four types of arrowheads that are available are:
To hunt big game, the broadhead arrowhead would be used. Broadheads are designed to deliver maximum damage to larger animals, ensuring a quick and ethical kill. The broadhead's design includes sharp blades that can cause significant cutting trauma, which is necessary for hunting larger animals.