Number of Rooms

by **nycmath** » Tue Aug 18, 2026 3:54 am

Precalculus
Michael Sullivan
Edition 10
Chapter 2, Section 2.1

See attachment. This problem is very straightforward. Enjoy.

by **Eigenvalue** » Tue Aug 18, 2026 5:23 pm

Independent variable: number of rooms
Dependent variable: number of housing units

by **Eigenvalue** » Tue Aug 18, 2026 5:25 pm

N(3)==-1.43(3)²+14.52(3)-14.96
=15.73
There are 15.73 million housing units with 3 rooms

by **nycmath** » Wed Aug 19, 2026 4:43 am

Eigenvalue wrote:Independent variable: number of rooms
Dependent variable: number of housing units

Good.

by **nycmath** » Wed Aug 19, 2026 4:45 am

Eigenvalue wrote:N(3)==-1.43(3)²+14.52(3)-14.96
=15.73
There are 15.73 million housing units with 3 rooms

Very good. On point.