Finding Domain from Equation

Domain represents the x-values of the graph. Find the domain by looking at the points given and seeing which numbers they are on the x-axis.

• F

• G

• H

• J

Tags

AI.9.2.A

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

What is the domain of the function:
√(2x–4)

• [2, ∞)

• [-2, ∞)

• (2, ∞)

• [0, ∞)

State the domain:

• (-oo, 4)

• (-oo, 2]

• [2, oo)

• [4, oo)

What is the domain of the following function?

• greater than or equal to -1.2

• less than or equal to 1.2

• greater than or equal to -2.572

• less than or equal to 2.572

Find the domain

• [-3, ∞)

• (-∞, -3]

• (-∞,∞)

• (-4, 1)

• greater than or equal to -1.2

• less than or equal to 1.2

• greater than or equal to -2.572

• less than or equal to 2.572

• greater than or equal to -1.2

• less than or equal to 1.2

• greater than or equal to -2.572

• less than or equal to 2.572

Find the domain

• [-1, ∞)

• [2, ∞)

• (-∞,∞)

• (-∞, 2]

To find the domain, which part of the function should be set greater than or equal to 0?