The answer is B
The correct inverse of 3x+1 is actually (1/3)x - 1/3
plug in 10 to the inverse
10/3 - 1/3 = 9/3 or 3
this gives you the point (10,3)
For each , , so that
Meanwhile,
Each of the have PDF
for . From this we get
Answer: 20 pounds of peanuts and 80 pounds of cashews.