Final answer:
The question asks for a function that calculates average speed by dividing distance by time. The function, calcSpeed, requires two parameters of type double, representing miles and hours respectively, to return the speed in mph.
Step-by-step explanation:
The task in question involves calculating average speed using a custom function in a programming context. The function, named calcSpeed, is intended to take two double parameters: distancePar representing the distance traveled in miles and timePar representing the travel time in hours. To compute the average speed, the function divides distancePar by timePar, resulting in a value that represents the speed in miles per hour (mph).
In terms of unit conversions, if one needs to convert from km/min to km/h, they would multiply by 60 min/hr, as this conversion factor cancels out the minutes and leaves the result in hours. However, that concept is separate from the primary task described, which only involves calculating average speed using given values of distance and time.