Which of the following is an example of a function with a domain (-∞,+∞) and a range (-∞,+∞)?
A. f(x) = x^1/3 - 5
B. f(x) = x^1/4 - 5
C. f(x) = x^1/6 - 5
D. f(x) = x^1/8 - 5

What’s the domain of this function? fastttt

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96