Consider a function named avg, which accepts four numbers and returns their average. Which of the following is a correct call to the function avg?

Question

BlackTom AI · Accepted Answer

To determine a correct call to avg, we start from the given function description: avg accepts four numbers and returns their average. With that in mind, we evaluate each option based on argument count and data types.
Option 1: average = avg(2, 3.14, 4, 5). This passes exactly four numeric literals (an int, a float, and two integers), which aligns with the four-parameter expectation. It also assigns the result to a variable named average, which is a common usage pattern.
Option 2: avg(2, 3.14, 3, 5, 6). Here there are five arguments supplied. Since avg is defined to take four numbers, this extra argument would typically cause a runtime or compile-time error due to mismatched arity.
Option 3: avg(). No arguments are provided. The function requires four numbers, so calling it with zero arguments violates the parameter requirement and should fail.
Option 4: average = avg("2", "3", "4", "5"). This passes strings instead of numeric values. If avg expects numbers, supplying strings would either cause a type error or implicit conversion not guaranteed by the language, making this call invalid in a strictly typed or conservative context.
Overall, only Option 1 satisfies both the four-argument requirement and the numeric type expectation for a correct call to avg. The other options fail due to incorrect arity or improper argument types.

Fal25_CS003C_74229 Ch. 5 Pre-Quiz (Remotely Proctored)

Consider a function named avg, which accepts four numbers and returns their average. Which of the following is a correct call to the function avg?

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