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(09.03 MC) The function f(t) = 5 cos(t) + 11 represents the tide in Dark Sea. It has a maximum of 16 feet when time (t) is 0 and a minimum of 6 feet. The sea repeats this cycle every 8 hours. After six hours, how high is the tide?

(07.04 LC) What is the sum of the geometric sequence −3, 18, −108, … if there are 7 terms?

(08.05 MC) A hospital gives a survey to all surgical patients asking them to rate the quality of their hospital experience. One month after surgery, the hospital contacts the patients again to ask if there were any complications from the surgery. Last year, the results of the surveys showed that of the patients who had a poor hospital experience, 90% had post-surgical complications. What conclusion can be drawn from this study?

(05.02) Solve 2x − 1 = 11 for x using the change of base formula .

(05.05 LC) Which of the following represents the graph of f(x) = 3x + 1?

(05.01 MC) Solve 25 = 5x − 4.

(05.01) Which of the following is the solution to the equation 25(z + 2) = 125?

Select the TRUE statement about muscles across the animal kingdom.

(05.06) Compare the graphs below of the logarithmic functions. Write the equation to represent g(x).

(05.05) Given an exponential function for compounding interest, A(x) = P(.91)x, what is the rate of change?