1 Answer

Joshng · Answer 1 · 2023-06-29T09:38:51+0000

We have the next function

c=cost

t= number of tickets

and you have the constrain that you can buy up 5 tickets

Domain

$\mleft\lbrace0,1,2,3,4,5\mright\rbrace$

Range

$\mleft\lbrace0,25,50,75,100,125\mright\rbrace$

As we can see the domain is discrete because you can not buy for example half of the ticket we only buy integers.

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