Most Important Selected Qs for JEE AdvancedMathematicsFunctions
Paragraph K(x) is a function such that K(f(x))=a+b+c+d , where aligned & a = array lll 0 & if & f( x ) is even -1 & if & f( x ) is odd 2 & if & f( x ) is niether even nor odd array . & b = array lll 3 & if & f( x ) is periodic 4 & if & f( x ) is aperiodic array . & c = array lll 5 & if & f( x ) is one one 6 & if & f( x ) is many one array . & d = array lll 7 & if & f( x ) is onto 8 & if & f( x ) is into array . align
Options
- A15
- B16
- C17
- D18
Correct answer
D. 18
Step-by-step solution
h(x) is even a=0 h ( x ) is aperiodic b =4h(x) is many-one c =6 h ( x ) is into c =8 k ( ~h ( x ))=18