9. Identify the mapping diagram that represents the relation and determine whether the relation is a function.

{(–3, –6), (–1, –6), (5, –6), (8, –6)}

Which of the following is true?

A. choice d.

B. choice a.

C. choice b.

D. choice c.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

The graph represents f(x)=[x]+3. what is f(-2.2)?

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.