Which graph represents a function

Step-by-step explanation:

The second graph represents the function.

To figure out if a graph is a function, use the vertical line test. The vertical line test says that if you draw a line and two points on the graph intersect, that means the function is not a graph. Graph B is the only function where there are no points that fall on the same x value.

b

step-by-step explanation:

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3