If A-(1, 2, 3), B (4, 5, 6, i ni(3, 6)) is a function from A to B2ethe

If A-(1, 2, 3), B (4, 5, 6, i ni(3, 6)) is a function from A to B2ether f'is one-one or not. IAll Indla 201Find whether the function :Z, defined bLOx)-x+5 vre Z is one-one or not.SHORT ANSWER Type Questions2 Marks/State whether the function f:R R, defined hf(x)デ3-4x is onto or not.L AR- R be defined by f(x) x+1nen, find pre-images of 17and achecktheinjectivityoffhefunction f : R → RATS)given by f(x)-INCERT"(, 3), (3, 5), (4, 7)) a tuncuon: if g isdescribed by g(x)-a.x +B. Then, what valueshould be assigned to α and β? [NCERT ExemplarShow that the function :RVyR, given byη is n ither one-one nor onto.

Answer»

Injective function is the function , which has different values for every domain

and for that f'(x) should be either +ve or -ve

here f(x) = x³. => f'(x) = 3x²

which is always +ve , so the function is injective.