Which of the Sets of Statements Below Will Add 1

question 9

Multiple Choice

Which of the sets of statements below will add 1 to x if x is positive and subtract 1 from x if x is negative but leave x alone if x is 0?

• A) if (x > 0) x++; else x--;
• B) if (x > 0) x++; else if (x < 0) x--;
• C) if (x > 0) x++; if (x < 0) x--;
• Else x = 0;
• D) if (x == 0) x = 0; else x++;
• X--;
• E) x++; x--;

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Definitions:

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An inherited blood disorder characterized by the production of abnormal, sickle-shaped red blood cells, leading to various health complications.

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Homo sapiens, the species to which all modern human beings belong and the only surviving species of the genus Homo.

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A genetic phenomenon where individuals with two different alleles for a particular trait have a greater fitness than individuals with two identical alleles.

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