Dissemination of Information
Three hundred twenty students attended the dedication ceremony of a new building on a college campus. The president of the traditionally female college announced a new expansion program, which included plans to make the college coeducational. The number of students who learned of the new program t hr later is given by the function
f(t) =
8000
1 + Be⁻ᵏᵗ
If 640 students on campus had heard about the new program 2 hrs after the ceremony, how many students had heard about the policy after 3 hr? (Round your answer to the nearest integer.)
