Question

What is the domain of this function?

Question 1 options:

(0,4]

(0,2]

(−∞, 2]

(−∞,4)

Answer 1

Answer:

(−∞,4)

Step-by-step explanation:

it opens up so it's the highest point

Answer 2

Answer:

(-∞, 2]

Step-by-step explanation:

    The domain is the list of x values of a function. On the left, the arrow means that it goes on forever.  On the right, the line goes up to 2. Therefore, the domain is (-∞, 2].