F(x) = sqrt(4-x)
You can get this by switching f(x) and x and then solving for f(x).
Answer: 14,575
Step-by-step explanation:
85(2) 0.4x = 6000 Multiply 85 times 2
170 + 0.4x = 6000 Subtract 170 from both sides
0.4x = 5830 Divide 5830 by 0.4
x = 14,575
A ruler as that is the only option that can measure segments
The length of the trail is 98.5 KM, all you need to do is divide the total distance by the number of times she went on it.