Time (hours) Number of bacteria
0 1000
3.4 1340
8.5 2105
11.9 3380
13.6 3992
(a) Find the average rate of change for the number of bacteria from 0 hours to 8.5 hours.

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

Which function has the vertex at (2,6)