See photos for solutions and steps :)
Graph #1: No
Graph #2: Yes
Graph #3: No
Graph #4: No
Graph #5: No
Graph #6: Yes
Reasoning:
The vertical line test is a test that determines wether a graph is a function or a relation. The vertical line test shows that if you construct a vertical line through any point on the graph, then the vertical line should only intercept the graph once for it to be a function.
Answer:
A. 5 days after 15 June - June 20
B. 10 days before Independence day - 5 August
C. 7 days before 8 January - 1 January
D. 3 days before Republic day - 23 January
E. 14 days after 16 July - 30 july
F. 20 days after 1 August - 21 August
3(41x+400) simplified = 123x+1200