Find the relative extrema of the function and classify each as a maximum or minimum.f(x) = -7x2 - 2x - 2
A. Relative maximum: 
B. Relative maximum: 
C. Relative minimum: 
D. Relative maximum: 
Answer: B
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The concentration D of a drug, in milligrams per deciliter, in the blood t hours after an injection is given by 
. What is the eventual concentration of the drug in the blood?
A. About 4.07 milligrams per deciliter B. About 8.68 milligrams per deciliter C. About 4.61 milligrams per deciliter D. 0 milligrams per deciliter
Determine whether the function is one-to-one.
A. Yes B. No
Solve the problem.A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. If is found to be 53°. What acute angle (correct to the nearest 0.1°) does the pier form with the shoreline? Is there more than one possibility? If so, how can we know which is the correct one?
What will be an ideal response?
Identify the coordinates of each point labeled in the figure. Name the quadrant in which each point lies, or state that the point lies on the x-axis or y-axis.
A. A(2, 6) in quadrant I; B(4, -3) in quadrant IV B. A(2, 4) in quadrant I; B (6, 4) in quadrant I C. A(6, 20) in quadrant I; B(4, -3) in quadrant IV D. A(2, 6) in quadrant I; B(-3, 4) in quadrant II