Is it impossible to raise the number to the power of to and get a number less than the original number

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3