which of the following graphs represent a linear function? select all that apply.

which of the following graphs represent a linear function? select all that apply.
Answer
Explanation:
Step1: Recall linear - function graph property
A linear function has a graph that is a straight - line.
Step2: Analyze each graph
The first graph is a straight - line, the second graph is a horizontal straight - line, the fourth graph is a straight - line. The third graph is a curved line.
Answer:
The first, second, and fourth graphs represent a linear function.