Please analyze the image and identify the mathematical functions and their corresponding graphs.

Mathematical Functions and Graphs:

• 1. Function: y = x^2 - 2
• 2. Function: y = x^3 + 1
• 3. Function: y = 4x + 2
• 4. Function: y = -2x + 4
• 5. Function: y = 5x - 2
• 6. Function: y = -2x - 1
• 7. Functions: y = -6x and y = x
• 8. Functions: y = -x and y = x

The image displays eight different mathematical functions, each accompanied by a schematic representation of its graph. The functions include quadratic, cubic, and linear equations, as well as a pair of linear equations in items 7 and 8, indicating points of intersection.