Tangent and cotangent graphing activity

At least two people have the same birthday in a school of 150 students

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)