Question

Which one of the following functions is a bijective function
on the set of all real numbers?
(i) e^|x|
(ii) x³ + x²-x+6
(iii) x²+3x+2
(iv) x³-x² + 5x+4

Please send ASAP!​

Answer 1

yrr bhai mughe to atta ni kisi or se puch le