function does not always return a value

John spends an hour in the gym daily. He returns at 6:00 PM. At what time does he go to the gym? => 5:00 AM or 5:00 PM or 7:00 PM or 8:00 PM..

The bonds between carbon and hydrogen are broken down with the help of oxygen to give energy (oxidation). Carbohydrates produce 4.1kcal/g energy under laboratory conditions. This is called calorific value . However, in the body they produce 4kcal/g of energy. This is called physiologic..

We can take the value of f at a (i.e., f(a)) as first estimate for average value of the function. Divide [a, b] into two equal parts such that then the second estimate of the average value of the function can be taken as second estimate of the avera..

Values of Trigonometric Functions of 30 o , 45 o , 60 o and 90 o - Let OA be the revolving ray starting from A. Let OA take the new position OP so that Draw PM perpendicular to OX and produce it to Q. Draw O..

What value does P represent? => 6 5 or 1 1 4 or 2 or 2 3..

Ken goes for a morning walk for an hour. He returns home by 7:30 A.M. What time does he start for his morning walk? => 8:00 A.M. or 8:30 A.M. or 6:30 A.M. or 7:20 A.M...

Which of the following tables does not represent a function? => Table 1 or Table 4 or Table 3 or Table 2..

Functions Limits and Continuity - Functions can be added, subtracted and multiplied. They can also be divided where the divisor function does not take the value zero. These operations create new functions.Functions can be added, subtracted..

for all values of y} (iii) {(x, y) : y = 4 for all values of x} (iv) {(x, y) : y = 5x - 6 }. (i) Not a function: For one value of x there are many y values and for one value of y there are many x values (many-many). (ii) Not a ..

What value does R represent? => 2 or 3 5 or 1 1 3 or 8 5..