Select the correct answer. Which function does this graph represent? A. f(x) = 3(x + 1)2 + 2 B. f(x) = -3(x + 1)2 + 2 C. f(x) = -3(x + 1)2 − 2 D. f(x) = 3(x − 1)2 + 2

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?