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Alex777 [14]
3 years ago
15

Roger is paid $50 to sell videos of a play to an audience after the play is performed.

Mathematics
1 answer:
Leto [7]3 years ago
4 0

Answer:

Practical domain: v\in[0,230]\ or\ 0\leqslant v\leqslant 230

Roger can earn $510 at most.

Step-by-step explanation:

We are given the function

E(v)=50+2v

Which gives the earnings of Roger when he sells v videos. Since the play’s audience consists of 230 people and each one buys no more than one video, v can take values from 0 to 230, i.e.  

v\in[0,230]\ or\ 0\leqslant v\leqslant 230

That is the practical domain of E(v)

If Roger is in bad luck and nobody is willing to purchase a video, v=0

If Roger is in a perfectly lucky night and every person from the audience wants to purchase a video, then v=230. It's the practical upper limit since each person can only purchase 1 video

In the above-mentioned case, where v=230, then

E(230)=50+2(230)=50+460=510

Roger can earn $510 at most.

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