3. The graph shown below represents the relationship between the water level in a water tank and the time passing.
Water Tank Level
5
4
3
2
1
0
1 2 3 4 5
What are the slope and y-intercept of the graph of the linear function
shown above?
A Slope = { and y-intercept = -5
B Slope =- and y-intercept = 2.5
C Slope = 2 and y-intercept = -2.5
D Slope = -2 and y-intercept = 5