Mark all statements that are true. Picture below.

Option A and D

Step-by-step explanation:

Step 1:  Determine which options are true

Option A is correct because the range is always 3, the graph never moves.

Option B is incorrect because into order to be a function, there has to be only one y per x.  Not one x per y.

Option C is incorrect because this line only stays at 3.

Option D is correct because the domain goes both to positive infinity and negative infinity.

Option E is incorrect because the domain is all real numbers.

 Option A and D

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.