Increase.
1/4 can be translated to 25%
1/2 can be translated to 50%
25% to 50% is an increase.
I think the answer is going to be 3s
C (1,8) and (4,5). To interpret a system of equations when shown a graph, look for the points at which the two function intersect or meet. in this case they meet at both points (1,8) and (4,5)
