Will mark brainliest and 10 points

Answer:
Function 1 has a negative y-intercept, and Function 2 has a positive y-intercept.
Step-by-step explanation:
As shown by the graph, Function 1 has a negative y-intercept.
Function 2 y-intercept:
y = mx + b
y = -0.5x + b
1 = -0.5(2) + b
1 = -1 + b
b = 2
Function 2 has a positve y-intercept.