7. The expected population in Gatford t years from now is given by the function P(t) = 450,000(1.065t). a. What is the current population of Gatford? b. By what percent is Gatford's population expected to grow each year? c. What is Gatford's population expected to be 6 years from now? d. When is Gatford's population expected to be double what it is now?

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