Definition of what you think is functions in mathematics. "with his words"

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

3. simplify. 312⋅312 4. rewrite n√xm using a rational expression.

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?