The United States is the world's largest national economy. The gross domestic product, or GDP, of the United States, was estimated to be $17.9 trillion as of Q2 2015. Currently, the GDP is growing at 3.1%. Write an exponential function to describe the growth and estimate the GDP growth that will occur in 5 years if the growth rate remains the same

1. are the triangles similar and if so why? what is the value of x? show your work.

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2