Mapiya writes a series for novels. She earned 75,000 for the first bookend her cumulative earnings double-with each sequel she wrote E (n) in dollars when she has written (n) sequels

75000 (2) ^n

Step-by-step explanation:

from the first book she earned 75000 and when she writes another she gets double the amount so X2 then to the power of n cause it represents the number of sequels.