Find the domain and range. Give answers in ascending order. Example: {-2, 1, 5} but not {1, -2, 5}
{ (8, 13), (5, -2), (4, 11), (8, 12) } Domain:
Range:
The domain contains all the input values: 8, 5, 4, 8
The range contains all the output values: 13, -2, 11, 12
Remember that duplicate values only need to be listed once.
The answer is Domain:
Range:
Find the domain and range. For ∞, use "inf". Example: Use (-inf, inf) for (-∞, ∞)
For the union symbol ∪, use capital "U".
Expressions under radicals must be greater or equal to 0.
To find the domain, solve x - 1 ≥ 0:
x - 1 | ≥ | 0 |
x - 1 + 1 | ≥ | 0 + 1 |
x | ≥ | 1 |
To find the range, square roots must be greater or equal to 0. Therefore, f(x) ≥ 0.
The answer is Domain:
Range: