Mathematics
Mathematics, 08.11.2019 06:31, kakkakak4696

Important
the world's population has grown at an average rate of 1.9 percent per year since 1945. there were approximately 4 billion people in the world in 1975. which function represents the world's population p, in billions of people, t years since 1975? (1 billion = 1,000,000,000)

a. p(t)=1.19t+4
b. p(t)=1.019t+4
c. p(t)=4(1.9)^t
d. p(t)= 4(1.019)^t

answer
Answers: 1

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