C)
you look at were the graph starts to decrease then look at the X-VALUE not the y-value
the x-val at the start of the decrease is -3 and at the end of it it is 2 therefor -3

x

2
Answer:
theoretical is first then experimental
Step-by-step explanation:
Answer:
2x+2x is 4 +3x is 12+ 1 is 13 + 3 is 15 - 2 is 13 -1 is 12
so x=15
and y=12