A ball is thrown into the air, and its height $$ h $$ (in me...

Question Analysis
This question tests the student's ability to identify the highest power of in a real-world context.

Key Concept Explanation
In non-linear relationships, the presence of a term with a variable raised to a power other than 1 indicates a non-linear function. The function is a quadratic function, and its highest power is 2.

Step-by-step Solution
1. Examine the function