5. The population of a city in thousands is modeled by the function below where t is the number of years after 1950. Which of the following are
predicted by the model? Select all that apply.
f (t) = 250 - (1,01)'
A. The population in 1950 was 250.
B. The population in 1950 was 250,000.
C. The population grows by 1 percent each year.
D. The population in 1951 was 275,000.
E. The population grows exponentially.

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length