The box plots represent a comparison of the annual salaries of a group of public and private employees
The interquartile range of salaries for the group of public employees is
A. $64,000.
B. $20,000.
C. $12,000.
D. $32,000.
E. none of these
Answer: D
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Solve the problem.The radius of a ball is claimed to be 4.5 inches, with a possible error of 0.05 inch. Use differentials to approximate the maximum possible error in calculating the volume of the sphere and the surface area of the sphere.
A. 4.05? in.3; 1.8? in.2 B. 1.8? in.3; 4.05? in.2 C. 0.9? in.3; 18? in.2 D. 8.1? in.3; 3.6? in.2
A basketball is tossed onto the hardwood, where it bounces several times. We measure its location as distance up from the floor. When the ball is at the peak of its bounce, what can be said about its velocity?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 + 4
A. Vertex: (0, 4);
x-intercepts: none;
y-intercept: (0, 4)
B. Vertex: (0,-4);
x-intercepts: (-2, 0) and (2, 0);
y-intercept: (0, -4)
C. Vertex: (4, 0);
x-intercept: (4, 0);
y-intercept: (0, 16)
D. Vertex: (0, 4);
x-intercepts: (-2, 0) and (2, 0);
y-intercept: (0, 4)
?Approximate the definite integral "by hand," using the Trapezoidal Rule with 
trapezoids. Round answer to three decimal places.
?
A. ?13.716 B. ?23.708 C. ?11.854 D. ?17.145 E. ?18.966