9514 1404 393
Answer:
f(-2) = -12
Step-by-step explanation:
Put -2 where x is and do the arithmetic.
Answer:
F = 100 + 0.1d
Step-by-step explanation:
- Initial charge is $100
- Price for climbing 3000 m = 400
<u>Then equation to find a fee per vertical distance:</u>
- 100+3000x = 400
- 3000x = 300
- x = 300/3000
- x = $0.1 per/m
So the fee for climbing vertical distance is $0.1 per meter.
- Vertical distance = d m
- Total cost = F
<u>Then, required equation is:</u>
It’s basically the opposite just switch it and put the 5/t now
We are asked to solve for the value of "x" such that when it is added in the original area of the park it will double the area. Let us compute first the area of the original dog park (A1) and the solution is shown below:
Area = Lenght*Width = L*W where L=30 yards and W=20 yards
Area = 30*20
Area = 600 yards squared
Solving for the x, when x is added to both sides which double the area:
A1*2 = (L + 2x)*W
600*2 = (30+2x)*20
1200 / 20 = 30+2x
60 = 30 + 2x
60-30 = 2x
30/2 =x
15 = x
The value of x is 15 yards.
