The graph represents the piecewise function: f(x) = What is the domain and range of the function? Domain: Range:
2 answers:
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Answer:
The world population will be 11.64 billions in 21 years.
Step-by-step explanation:
Initial population = 8 billion
Growth rate = 1.8% per year =0.018
Time = 21 years
We are supposed to find what will the world population be in 21 years
Formula :
y = population after t years
r = rate of interest in decimals
t = time in years
Substitute the values :
Hence the world population will be 11.64 billions in 21 years.
Explanation:
Let Number of $45 shares be x
Let number of $ 25 shares be 3x-25
According to question,
So,
