Identify the radicand.
A. 
B. y + 6
C. 
D. y - 6
Answer: D
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Solve the problem.A spring with a spring constant k of 18 pounds per foot is loaded with a 16-pound weight and allowed to reach equilibrium. It is then displaced 2 feet downward and released. If the weight experiences a retarding force in pounds equal to 10 times the velocity, find the equation of motion.
A. y ? e-10t(-0.250e8.000t + 2.250e-8.000t) B. y ? e-10t(2.250e8.000t + -0.250e-8.000t) C. y ? e-20t(-0.500e8.000t + 4.500e-8.000t) D. y ? e-10t(4.500e8.000t + -0.500e-8.000t)
Solve the application and answer with a complete sentence.On a test, Manuel answered incorrectly 80 questions or 32% of the questions. How many questions were on the test?
A. 40 questions were on the test. B. 250 questions were on the test. C. 2500 questions were on the test. D. 0.4 questions were on the test.
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) B. Local maximum at x = 3; local minimum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) C. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 3; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
Use a graphing calculator to graph the equation.y = 
A. 
B. 
C. 
D. 