Question #8984a

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Question #8984a

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Answer 1 · 2018-01-24T02:06:45

$C (y) = 30 \frac{y}{4}$ $C(y)=30y/4$

Explanation:

Let the function be C (y).
It costs $30 for 4 guest.
Let a variable $q$ $q$ represent a parameter for guest and the cost.
Guest= $4$ $4$
Cost= $$ 30$ $$30$
If no of guest is $8$ $8$ then cost is $60$ $60$ . Hence parameter $q$ $q$ represent no of guest grouped in 4 and cost grouped in $30 per four guest.
Hence,
Guest (y)= $4 q$ $4q$
Cost(C)= $$ 30 q$ $$30q$
Eliminating the parameter,
$\frac{y}{4} = q$ $y/4=q$ Substitute in Cost function,
$C = 30 q$ $C=30q$
$O r, C = 30 \frac{y}{4}$ $Or, C=30y/4$
Hence Only variable is $y$ $y$ that is no. Of guest. So
$C (y) = 30 \frac{y}{4}$ $C(y)=30y/4$

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Question #8984a

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