__ is a relation that gives a single output number for every valid input number.
Your answer

Janets dinner costs 7.50. if she wants to leave a 10% tip how mich extra should she leave

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees

Select all of the following expressions that are equal to 2.5.