Rewrite.
% as a fraction
A.
B.
C.
D.
Answer: C
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Write the polynomial in descending order.-9 - 8x2 + 5x4 - 3x3 - 2x
A. 5x4 - 2x - 3x3- 8x2 - 9 B. -9 - 2x - 8x2 - 3x3 + 5x4 C. 5x4 - 3x3 - 8x2 - 2x - 9 D. -9 - 8x2 + 5x4 - 3x3 - 2x
Solve the problem.At noon, ship A was 14 nautical miles due north of ship B. Ship A was sailing south at 14 knots (nautical miles per hour; a nautical mile is 2000 yards) and continued to do so all day. Ship B was sailing east at 8 knots and continued to do so all day. The visibility was 5 nautical miles. Did the ships ever sight each other?
A. No. The closest they ever got to each other was 6.9 nautical miles. B. Yes. They were within 3 nautical miles of each other. C. Yes. They were within 4 nautical miles of each other. D. No. The closest they ever got to each other was 7.9 nautical miles.
Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.
A. 12 months B. 20 months C. 8 months D. 10 months
Determine whether the equation defines y as a function of x. y = 8x2 - 8x + 9
A. function B. not a function