KVPY2012MathematicsFunctions
The mid- point of the domain of the function f ( x )= 4- 2 x +5 for real x is -
Options
- A1 / 4
- B3 / 2
- C2 / 3
- D-2 / 5
Correct answer
B. 3 / 2
Step-by-step solution
array l f(x)= 4- 2 x+5 4- 2 x+5 0 2 x+5 0 2 x+5 4 x -5 / 2 x 11 2 x [- 5 2 , 11 2 ] mid point = -5 / 2+11 / 2 2 = 3 2 array