Mapiya writes a series of novels. She earned \$75{,}000$75,000dollar sign, 75, comma, 000 for the first book, and her cumulative earnings double with each sequel that she writes.

Complete question:

write a function that gives mapiyas cumulative earnings E(n), in dollars when she has written n sequel's

Step-by-step explanation:

According to the question, she earned $75000 for the first book.

Also,We are  given that her cumulative earnings double with each sequel that she writes.

Assuming she has written n sequel's

Now since we are given that her cumulative earnings double with each sequel

So, her initial earning will be times

So, her earning will be :

Now we are given that cumulative earnings is denoted by E(n)

So, the function becomes :

Hence a function that gives Mapiya's cumulative earnings E(n), in dollars when she has written n sequel's  is  

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step-by-step explanation: