1.

If `f: R to R` be defined by `f(x)={(2x:xgt3),(x^(2):1lt x le 3),(3x:x le 1):}` Then,`f(-1)+f(2)+f(4)` isA. 9B. 14C. 5D. None of these

Answer» Correct Answer - A
Given that, `f(x)={(2x:xgt3),(x^(2):1lt x le 3),(3x:x le 1):}`
`f(-1)+f(2) +f(4)=3(-1)+(2)^(2)+2xx4`
` " " = -3 +4 +8=9`


Discussion

No Comment Found