1. Express natural log of x raised to the y power: log e (x^y) a. log(x**y) b. l
ID: 3538681 • Letter: 1
Question
1. Express natural log of x raised to the y power: loge (x^y)
a. log(x**y)
b. log( pow(x,y) )
c. log10( pow(x,y) )
d. log(x^y)
e. ln(x*y)
2. What is the output of this line code, given the following definition?
// the function call
display(7, 3);
// definition of the function display()
void display (int x, int y)
{
cout << y << " and " << x;
}
a. 7 3
b. 3, and 7
c. 7 and 3
d. 3 7
e. 3 and 7
3. What is the value of num after the following code is executed, given the function definition that follows:
// code in main
float num = findIt (float (5.0, 2);
// function defintion
float findIt (float xx, int two)
{
xx = xx + two;
return (xx / two);
}
a. 3.0
b. 0.5
c. 3.5
d. 4.5
e. 2.5
4. What is the output of the following line of code, given the function definition that follows:
cout << calc (1, 2) + calc (2, 3); // code in main
int calc (int x, int y) // function definition
{
x = x + 1;
return x % y;
}
a. 23
b. 0
c. 2
d. 1
e. none of the above
5. Which of the following is a valid function prototype?
a. float some function();
b. void nothing;
c. void something();
d. double int( string name );
e. int (int thing);
6. The region in a program where a paticular name (like a variable name) is visible or can be referenced is called the name's ___________.
a. storage duration
b. durability
c. power
d. scope
e. range
Explanation / Answer
1. b. log( pow(x,y) )
2. e. 3 and 7
3. c. 3.5
4. c. 2
5. c. void something();
6.d. scope
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.