While on vacation in France, Sadie bought a box of almond croissants. Each croissant cost € 2.4 ( euros ) . a. Write a function that represents the cost C ( x ) ( in euros ) for x croissants. b. At the time of the purchase, the exchange rate was $ 1 = € 0.80 . Write a function that represents the amount D ( C ) ( in $ ) for C euros spent. c. Find ( D ∘ C ) ( x ) and interpret the meaning in the context of this problem. d. Evaluate ( D ∘ C ) ( 12 ) and interpret the meaning in the context of this problem.
While on vacation in France, Sadie bought a box of almond croissants. Each croissant cost € 2.4 ( euros ) . a. Write a function that represents the cost C ( x ) ( in euros ) for x croissants. b. At the time of the purchase, the exchange rate was $ 1 = € 0.80 . Write a function that represents the amount D ( C ) ( in $ ) for C euros spent. c. Find ( D ∘ C ) ( x ) and interpret the meaning in the context of this problem. d. Evaluate ( D ∘ C ) ( 12 ) and interpret the meaning in the context of this problem.
Solution Summary: The author explains that Sadie bought a box of almond croissants on vacation in France. Each croissant cost 2.4 (euros).
13) Let U = {j, k, l, m, n, o, p} be the universal set. Let V = {m, o,p), W = {l,o, k}, and X = {j,k). List the elements of
the following sets and the cardinal number of each set.
a) W° and n(W)
b) (VUW) and n((V U W)')
c) VUWUX and n(V U W UX)
d) vnWnX and n(V WnX)
9) Use the Venn Diagram given below to determine the number elements in each of the following sets.
a) n(A).
b) n(A° UBC).
U
B
oh
a
k
gy
ท
W
z r
e t
་
C
10) Find n(K) given that n(T) = 7,n(KT) = 5,n(KUT) = 13.
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