Help please: What is the mapping notation for translating point (x, y) down 3 units?
A. (x, y-3)
B. (x+3,y)
C. (x, y+3)
D. (x-3,y)

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?