Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.3-4
A. 81
B. -81
C. 
D. 
Answer: D
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Solve the problem.The position of an object moving in a straight line is given by s = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth of a second) will it take the object to move 15 meters?
A. 16.0 sec B. 3.4 sec C. 3.6 sec D. 40.5 sec
Provide an appropriate response.Suppose that f has a positive derivative for all values of x and that f(2) = 0. Which of the following statements must be true of the function g(x) = 
?
A. The graph of g crosses the x-axis at x = 2. B. The function g has a local maximum at x = 2. C. The graph of g has an inflection point at x = 2. D. The function g has a local minimum at x = 2.
Write the percent problem as an equation and solve.What is 150% of 3300?
A. 495 B. 495,000 C. 4950 D. 49,500
Translate to a proportion and solve. Round to the nearest hundredth, if necessary.What percent of 142 is 17.8?
A. 12.54% B. 0.08% C. 0.13% D. 797.75%