### Dire-Dawa Mathematics and Pedagogy Pretest - Trainees Edition

Expires: Jul 29

#### Participation and Grading:
- Classroom participation: 30%
- Pre-test grade: 44%

#### Questions:

1. How are even power functions classified based on symmetry?
- A. Symmetry about the x-axis
- B. Symmetry about the y-axis
- C. Symmetry about the origin
- D. Symmetry about the line [tex]\( y = x \)[/tex]

2. What is the feasible region in linear programming?
- A. The area where all constraints are satisfied
- B. The area with the most constraints
- C. The area with the least constraints
- D. The area where the objective function is maximized

3. Which of the following is not a function?
- A. [tex]\( y = 3x + 2 \)[/tex]
- B. A vertical line passing through [tex]\( x = 4 \)[/tex]
- C. [tex]\( f(x) = x^2 + 1 \)[/tex]
- D. [tex]\( g(x) = |x| \)[/tex]

4. What is the problem-solving approach in teaching?
- A. A method of teaching that encourages memorization
- B. A method of teaching that allows learners to 'do mathematics'
- C. A method of teaching that focuses on lectures only
- D. A method of teaching that discourages critical thinking