Question

An elephant weighs 200 pounds at birth and gains approximately 2 pounds per day. The function y=2x+200 represents the weight y of an elephant on a given day x during its first year. How much more does an elephant weigh on Day 60 than it does on Day 5?

Answer 1

Below in bold.

Explanation:

On day 5 it ways 2(5) + 200 = 210 pounds.

On day 60 it ways 2(60) + 200 = 320 pounds.

Difference = 110 pounds.