Mathematics, 29.10.2019 04:31, jamayas2453

Let : animal → counting numbers
assign each animal to its number of legs.
f: people → animals
assign to each person to his favorite animal.
: people → alphabet
assign each person to the first letter of her name.
a: alphabet → counting numbers
assign each letter to the corresponding number 1–26.
s: counting numbers → counting numbers
assign each number its square.
which of the following compositions are defined? for those that are, describe the effect of the composite function.
a. ⃘ f
b. ⃘
c. a ⃘
d. a ⃘
⃘ a
f. f ⃘
g. s ⃘ ⃘ f
h. a ⃘ a ⃘ n

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