The demand equation for a video game is $p = 40 - \sqrt { x - 1 }$ where x is the number of units demanded per day and p is the price per game. Find the demand when the price is set at $34.4 . Round your answer to the nearest integer.
A) 31 units per day
B) 1408 units per day
C) 32 units per day
D) 5536 units per day
E) $30$ units per day

Question

Quizplus · Accepted Answer

Set p = 34.4 and solve for x
34.4 = 40 - √(x-1)
√(x-1) = 5.6
Square both sides 
x - 1 = 31.36
x = 32.36
Round to nearest integer: 32
Therefore, the demand is 32 units per day when the price is set at $34.4.

The Demand Equation for a Video Game Is p=40−x−1p = 40 - \sqrt { x - 1 }p=40−x−1​

The Demand Equation for a Video Game Is $p = 40 - \sqrt { x - 1 }$