1. The demand for a video game can be modeled by p = 40 - 0.01x + 1 where x is the number of units

1. The demand for a video game can be modeled by p = 40 - √0.01x + 1 where x is the number of units demanded per day and p is the price per unit. Find the demand when the price is $37.55.

2. A power station is on one side of a river that is 34 mile wide, and a factory is 8 miles downstream on the other side of the river. It costs $24per foot to run power lines over land and $30per foot to run them under water. The project's cost is $1,098,662.40. Find the length x labeled in the figure.

Power Factory River station mi enl