Sarah creates the graph of function g by applying a transformation to function f. f(x) = 2^x
g(x) = 1/2(2)^x
What transformation did Sarah apply?
a vertical shift unit down
lift
a vertical compression by a factor of
of
O
a vertical stretch by a factor of 2
a vertical shift unit up

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?