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The image contains several mathematical problems involving functions. Here's a breakdown of each task:

### Problem 1 (a):
You're asked to **graph the following functions**:
1. \( f(x) = 2x - 5 \)
2. \( f(x) = -4x \)

### Problem 2 (b):
For the quadratic function \( f(x) = x^2 - 2x - 8 \), you are required to:
- **Find the intercepts** with the x-axis and y-axis.
- **Graph the function**, measuring in centimeters.

### Problem 3 (c):
For the function \( f(x) = \frac{\sqrt{16}}{4} \), you need to **evaluate** the expression.

Would you like me to solve and explain each of these problems? If yes, which one would you like to start with?

The image contains mathematical problems involving graphing linear functions, finding intercepts of a quadratic function, and evaluating a simple expression.

This exercise involves graphing linear functions, finding the intercepts of a quadratic function, and evaluating a simple expression. The problems cover key algebraic concepts like slope-intercept form, intercepts, and quadratic functions, suitable for students in Grades 8-10.

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