Math Problem Statement

The original image contains a set of multiple-choice mathematics questions in Chinese, focused on algebra, set theory, inequalities, and functions.

Solution

It looks like you've uploaded a mathematical exam or problem set written in Chinese. How would you like me to assist with this document? Would you like a translation, explanations of specific questions, or help solving particular problems?

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Set theory
Domain of functions
Inequalities
Logarithms
Trigonometric functions

Formulas

Logarithm properties: log_a(b)
Trigonometric identities: sin and cos relationships
Quadratic inequalities: ax^2 + bx + c > 0

Theorems

Properties of function domains
Monotonicity of functions
Pythagorean identities

Suitable Grade Level

Grades 10-12