Given the functions $$ h(x) = 2x + 5 $$ and $$ k(x) = x^2 - ...

Question Analysis
This question tests the understanding of function composition, specifically , where the output of is used as the input for .

Key Concept Explanation
The composition means applying first and then using the result as the input for .

Step-by-step Solution
1. Start with the given functions: and
2. Substitute into