Solve.An electronics manufacturer's revenue R for selling x mobile phones is given by 
A competing electronics manufacturer's revenue for selling a similar mobile phone is 
Under what circumstances will both manufacturers make the same revenue?
A. They will make the same revenue if they sell 460 phones.
B. They will make the same revenue if they sell 0 or 460 phones.
C. They will make the same revenue if they sell 0 or 230 phones.
D. They will never make the same revenue.
Answer: B
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: upper hemisphere of x2 + y2 + z2 = 25 cut by the plane z = 0Density: ? = 2
A. Iz = 50?
B. Iz = 
?
C. Iz = 125?
D. Iz = 500?
Solve the problem.A trough is to be made with an end of the dimensions shown. The length of the trough is to be 
long. Only the angle ? can be varied. What value of ? will maximize the trough's volume?
A. 52 B. 32° C. 30° D. 8
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
Which major was the choice of nearly 
of the students?
A. Science B. History C. Math D. English
Provide an appropriate response.Light with a wavelength of 0.00000054 meters is green in color. Write 0.00000054 in scientific notation.
A. 5.4 × 107 B. 5.4 × 10-8 C. 5.4 × 10-7 D. 5.4 × 10-6