NDA2021MathematicsFunctionsActual
If f(x+1)=x^2-3 x+2 , then what is f(x) equal to?
Options
- Ax^2-5 x+4
- Bx^2-5 x+6
- Cx^2+3 x+3
- Dx^2-3 x+1
Correct answer
B. x^2-5 x+6
Step-by-step solution
For aligned f(x+1) & =x^2-3 x+2 & = (x^2+2 x+1 )-5 x-5+6 aligned aligned & =(x+1)^2-5(x+1)+6 & f(x)=x^2-5 x+6 aligned