One model of Earth's population growth is P(t)=64 /(1 + 11e^-0.8)where is measured in years since 1990, and Pis measured in billions of people. Which of the following statements are true?

A. In 1990, there were 5.33 billion people.

is increasing by a steady rate of 8 per

B. The population of Earth year

c. The carrying capacity of Earth is 64 billion people

D. The population of Earth will grow exponentially without bound

Tyler went to the supermarket to buy food for a food pantry. he has $36, and can carry up to 20 pounds of food in his backpack. pasta costs $1 for a 1-pound package. pasta sauce costs $3 for a 1.5 pound jar. let x = the number of packages of pasta and y = the number of jars of pasta sauce. one package of pasta is the right amount to go with one jar of pasta sauce. what is the best numbers of packages of pasta and jars of pasta sauce to buy for the food pantry? how many packages of pasta? how many jars of pasta sauce? explain your reasoning.