Answer:
an exponential function
Step-by-step explanation:
An exponential function has the characteristic that it increases by a constant factor when the independent variable increases by a constant increment. The function you describe is an exponential function.
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It can be written in the form ...
f(t) = f(0)·2^(t/d) . . . . . where d is the doubling time
X should equal to 17 but i dont see what ben did...
The ratio would be 90pi/40pi.
Hope this helps:)
The answer would be x=0, 2i, -2i
Idk what awser is just tryns get points