Help with precalculus homework questions

[blueskye]

Homework Statement

i have questions attached here,help me solve , thx

Homework Equations

The Attempt at a Solution

 

[Saitama]

Sorry, the board don't function like this.
You need to show your attempts before asking for any help.

 

[HallsofIvy]

A number of problems posted with no work shown- thread closed.