What does the following function return? double compute speed(double distance); a. a double b. distance c. an integer d. nothing

A. a double

Explanation:

The syntax of the function is:

type name( argument_1, argument_1, )

{  

    statement;

}

In the above syntax "type" define the return type of the function.

for example:

int count( int n);

so, it return the integer. Because the return type is 'int'.

In the question,

double compute speed(double distance);

Here, the return type is double. So, it return double.

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which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt