•20x200
•4x1000
•8x500
•10x400
•16x250
•2x2000
any of those
1. x = 25 inches
2. Triangle c
As seen, the graph is pointing/increasing upwards. This means that the graph is exponentially increasing.
You notice there are significantly more spores at 4th hour than the first, therefore, this is an increasing trend.
Hope I helped :)
The correct answer would be d (2,-5)