Question

954. 1) (-∞; 10) и (-3; 6); 3) [2,4; 5) и (4; 11]; 2) (-∞; 8] и [7; +∞); 4) [-1,8; 0) и [-1; 14].​

Answer 1

Ответ: Я туда написала

Пошаговое объяснение:

Answer 2

To clarify, it seems like you have provided four different sets of intervals. Each set consists of two intervals separated by the word "и" (meaning "and" in Russian).

Let's examine each set of intervals individually:

1. (-∞, 10) and (-3, 6): This set includes two open intervals. The first interval extends from negative infinity to 10, excluding 10. The second interval goes from -3 to 6, excluding both endpoints.

2. (-∞, 8] and [7, +∞): In this set, we have a closed-open interval followed by an open-closed interval. The first interval extends from negative infinity to 8, including 8. The second interval starts from 7 and extends to positive infinity, including 7.

3. [2,4] and (4, 11]: This set consists of a closed interval followed by an open interval. The first interval goes from 2 to 4, including both endpoints. The second interval starts from 4 but does not include 4 and extends to 11, excluding 11.

4. [-1,8) and [-1,14]: In this set, we have a closed-open interval followed by a closed interval. The first interval extends from -1 to 8, including -1 but excluding 8. The second interval also starts from -1 and extends to 14, including both endpoints.

Please note that in interval notation, the round parentheses ( ) denote open intervals (excludes the endpoints), and square brackets [ ] represent closed intervals (includes the endpoints). The symbol -∞ represents negative infinity, and +∞ represents positive infinity.