For the function f(x)=ab^x, what are the possible values for b if the function is an exponential growth function? Please select two answers. A) 1-0.00001
B) 0.9
C) square root of 2
D) 1/2
E) 1.1

Find the multiplicative inverse of 8-12i

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?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?