Question 3: Consider the following function void testDefaultParam(int a, int b= 7, char z ="*); prototype: Which of the following function calls is correct? a. testDefaultParam(5); b. testDefaultParam(5, 8); c. testDefaultParam(6, '#); d. testDefaultParam(0, 0, *):.
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- Consider the following function prototype: void testFun (int x, int y = 7, char z = *): Which of the following function calls is correct? Select one: a. testFun(5); O b. testFun(5, 8); O c. testFun(0, 0, *); O d. All are correct.A sphere is characterized by a single dimensions; its radius (r). The surface area of the sphere is calculated as A=4πr2 While the volume is calculated as V=43πr3 Write a program that asks the user for r and when VALID proceeds to calculate both the surface area and the volume of the sphere by calling a single function. The function's prototype is as follows: void sphereCalc(float, float *, float *); All console input and output operations are in main(). Print the area and volyme with 3 decimal places. Follow best programming practices. Use r = 3 for the screenshot. Hint: Define PI using #define PI 3.14159273.What function will be called with the independent syntax “test(5,6,7);”?a) void test(int x, int y)b) void test(int x=0, int y, int z)c) int test(int x=0, y=0, z=0)d) void test(int x, int y, int z=0)
- In C++, Given the following function prototype: void testDefault(int a, int b = 7, char z = '*'); Indicate if each of the following function calls are valid or invalid a) testDefault(5); b) testDefault(); c) testDefault(6, '#'); d) testDefault(0, 0, '?');true false void ffx() is a function with no return value void ffx() is a function with no argument int ffx(char x) is a function with int return value int ffx(char *x) is a function with parameter passed by reference char ffx( int x) is a function with int return value int ffc(char &x) is a function with parameter passed by reference2.A. Is it possible to pass variable y as parameter to the functions? 2.B. Supply the missing code stated in TODO at line 17-19. 2.C Supply the missing code stated in TODO at line 21-22. 2.D. (Assuming the code is complete) What will be the display of this program?
- 14. What is the value of a and b after the function call myfunction1(a,b) in the main function? void myfunction1(int a, int &b) { a+t; b++; int main() { int a=5,b=53; myfunction1(a,b): } a) a=5,b=5 b) a=5,b=6 c) a=6,b=5 d) a=6,b=6func(X) {return x++;} void func(x) {printf("hi");} QUESTION 14 Which is from the following is not a function prototype? int funct(char x, char y); funct(x); void funct(void); char x(int y); Click Save and Submit to save and submit. Click Save All Answers to save all aifloat ACM (void); is non-void function with no parameters Select one: O True O False
- Mark the following statements as true or false: a. To use a predefined function in a program, you need to know only the name of the function and how to use it. (1) b. A value-returning function returns only one value. (2, 3) c. Parameters allow you to use different values each time the function is called. (2, 7, 9) d. When a return statement executes in a user-defined function, the function immediately exits. (3, 4) e. A value-returning function returns only integer values. (4) f. A variable name cannot be passed to a value parameter. (3, 6) g. If a C++ function does not use parameters, parentheses around the empty parameter list are still required. (2, 3, 6) h. In C + + , the names of the corresponding formal and actual parameters must be the same. (3, 4, 6) i. A function that changes the value of a reference parameter also changes the value of the actual parameter. (7) j. Whenever the value of a reference parameter changes, the value of the actual parameter changes. (7) k. In C++, function definitions can be nested; that is, the definition of one function can be enclosed in the body of another function. (9) l. Using global variables in a program is a better programming style than using local variables, because extra variables can be avoided. (10) m. In a program, global constants are as dangerous as global variables. (10) n. The memory for a static variable remains allocated between function calls. (11)Programming Language: C++ 2. Which of the following are true for default arguments? Select one or more: a. They should be placed in both the prototype and function header. b. They should be placed in the function header only if there is no prototype c. Any of the function parameters may or may not have default arguments. d. The parameters with default arguments must come last (to the right) of the ones that don't have default arguments. e. Default arguments can be either variables or constants8. In a function, the return statement is not required if the return type is anything other than void. In a function, the return statement is not required if the return type is anything other than void. • True O False 9. Which of the following is TRUE about the given function definition? int myfunction(int x,y){ return(x*y); } Which of the following is TRUE about the given function definition? int myfunction(int x,y){ return(x'y): O The type of the parameter y is missing. It should be int myfunction(int x,int y). • The return(x"y): statement should be erased because the function is declared with the return type void. O The type of the parameter x is missing. It should be int myfunction (x, y). O The semicolonl:) to terminate the statement is missign. It should be int myfucntionſint x,int y):