Question $3$

$10$ pts

Select the correct statements among the ones below:

The statement:

$f(2^{**}x,3^{**}t)$;

calls the function $f$ and return its value to $z.$

The statement double f$($double i $,$ double j $)$; is a function call

A programmer must know the body $\{dots\}$ of a functioin before calling it$.$

The definition of a prototype may be after the main function.

The expression void sub$($int $a,$ int b$)$

is not a function call