| Функция | D(f) | E(f) | f(0) | f(-1) | f(10) |
|---|---|---|---|---|---|
| 1) y = 2x + 1 | R | R | 1 | -1 | 21 |
| 2) y = -x + 6 | R | R | 6 | 7 | -4 |
| 3) y = x² | R | [0; +∞) | 0 | 1 | 100 |
| 4) y = -x² | R | (-∞; 0] | 0 | -1 | -100 |
| 5) $$y=\frac{2}{x}$$ | (-∞; 0) ∪ (0; +∞) | (-∞; 0) ∪ (0; +∞) | не определено | -2 | 0.2 |
| 6) $$y=-\frac{6}{x}$$ | (-∞; 0) ∪ (0; +∞) | (-∞; 0) ∪ (0; +∞) | не определено | 6 | -0.6 |
| 7) y = √x | [0; +∞) | [0; +∞) | 0 | не определено | $$\sqrt{10}$$ |
| 8) y = x³ - 3 | R | R | -3 | -4 | 997 |
| 9) y = |x| | R | [0; +∞) | 0 | 1 | 10 |
| 10) $$y=\frac{2}{x^2+3}$$ | R | (0; $$\frac{2}{3}$$] | $$\frac{2}{3}$$ | $$\frac{1}{2}$$ | $$\frac{2}{103}$$ |
| 11) $$y=\frac{x+1}{2}$$ | R | R | $$\frac{1}{2}$$ | 0 | $$\frac{11}{2}$$ |
| 12) y = -√x | [0; +∞) | (-∞; 0] | 0 | не определено | -$$\sqrt{10}$$ |