44. Social Website Popularity: Delicious The following table shows the popularity of Delicious among social media sites
as rated by StatCounter. com (t is the number of years since
the start of 2008):
1
2
3
4
5
Yeart
(year since start of 2008)
Delicious Popularity p(t)
(%)
0.4
0.2
0.1
0.05 0.02
a. Represent p graphically, and then use your graph to
estimate p(3.5). Interpret your answer.
b. One of the following models fits the data exactly.
Which model is it?
(A) p(t) = 0.8(2)
(B) p(t) = 0.8(2)
(C) p(t) = 0.0212 - 0.2t + 0.6
(D) p(t) = -0.02.2 + 0.2 - 0.6
-

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.