Question 1(Multiple Choice Worth 1 points)

(06.04 MC)

Which statement shows how the product of (x + 3)2 demonstrates the closure property of multiplication?

x2 + 9 may or may not be a polynomial

x2 + 6x + 9 may or may not be a polynomial

x2 + 9 is a polynomial

x2 + 6x + 9 is a polynomial

Question 2 Multiple Choice Worth 1 points)

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u. s. dollars for every 100 euros. b) gabriella averages 100 u. s. dollars for every 25 euros. c) gabriella can exchange 75 u. s. dollars for 100 euros. d) gabriella can exchange 100 u. s. dollars for 75 euros.