For which of the following would polymorphism not provide a clean solution?
a. A billing program where there is a variety of client types that are billed with different fee structures.
b. A maintenance log program where data for a variety of types of machines is collected and maintenance schedules are produced for each machine based on the data collected.
c. A program to compute a 5% savings account interest for a variety of clients.
d. An IRS program that maintains information on a variety of taxpayers and determines who to audit based on criteria for classes of taxpayers.
c. A program to compute a 5% savings account interest for a variety of clients. Because there is only one kind of calculation, there is no need for polymorphism.
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Suppose an instruction function is f( n ) = n2 + 5. When considering time complexities, why isn’t the graph a full parabola?
A. n can’t be negative B. There is only a finite set of integers that can be used for n. C. All time complexities must be straight lines. D. n can only take on values to the right of the cross-over point
(Challenge) Repeat the previous project, but position the centers of the circles on a spiral. The center of each circle will depend on both an angle and a distance from the origin. A constant change in both the angle and the distance will result in a spiral pattern.
This application is an extension of the previous program to draw the circles on a spiral. Knowledge of converting polar coordinates to Cartesian coordinates is helpful.
Write a program that reads in two integers and determines and prints whether the first is a multiple of the second. (Hint: Use the modulus operator.)
What will be an ideal response?
In the figure above, which number refers to the Set the text color button?
A. 2 B. 3 C. 4 D. 5