Algebra-2

Question Analysis
This question tests the student's ability to create and evaluate a function based on a real-world scenario. The function represents the total cost for driving miles in one day, with a flat rate and an additional charge per mile.

Key Concept Explanation
Creating and evaluating a function involves understanding the relationship between the input (number of miles driven) and the output (total cost), and then substituting the input value into the function expression.

Step-by-step Solution
1. Determine the function expression: .
2. Substitute into the function: