Solve using substitution. Y = -x + 1 y = -2x + 8
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*5% in decimal form is 0.05.
After one week we have:
N=400*1.05 beetles
After two weeks we have:
N=(400*1.05)*1.05 beetles
After three weeks we have:
N=((400*1.05)*1.05)*1.05 beetles
We can write this as:
Week 1:
Week 2:
Week 3:
From this we can make conclusion that formula for number of beetles after w weeks is given by:
After one week we have:
N=400*1.05 beetles
After two weeks we have:
N=(400*1.05)*1.05 beetles
After three weeks we have:
N=((400*1.05)*1.05)*1.05 beetles
We can write this as:
Week 1:
Week 2:
Week 3:
From this we can make conclusion that formula for number of beetles after w weeks is given by: