A tire can hold C cubic feet of air. It loses a percentage of its air during each period of time, t. This rate of loss, written as a decimal, is r. This situation can be described using the following formula: C(1-r)^1. What effect, if any, does increasing the value of r have on the value of C?

Answer 1

increasing r means that 1-r is less
what happens when you raise a smaller fraction to a power?
You are multiplying by a smaller number, so ...