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The parts of this question all relate to C++

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The parts of this question all relate to C++. Suppose the function cube () takes one integer parameter,

× adds 1 to x and returns the cube of the result. The parameter × might be passed by value or by

reference.

Now assume that main has a variable int kk that currently stores the value 10.

(a) (2) In C++, define cube () using call-by-value.

(b) (2) In the context of main, write a call on cube () with kk as its parameter.

(c) (2) What value is returned by cube () in part (b)?

(d) (2) What value is in kk when the call returns?

(e) (2) In C++, define cube () using call-by-reference.

(f) (2) In the context of main, write a call on cube () with kk as its parameter.

(g) (2) What value is returned by cube () in part (f)?

(h) (2) What value is in kk when the call returns?