Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Functions question

2009 · Shift 0 · Q28
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Functions
  5. /2009 · Shift 0 · Q28

Functions question

2009 · Shift 0 · Q28

JEE MainMathematicsFunctionsMCQ+4 / −1
For real x, let f(x) = x3 + 5x + 1, then
  1. A
    f is one-one but not onto R
  2. B
    f is onto R but not one-one
  3. C
    f is one-one and onto R
  4. D
    f is neither one-one nor onto R
PreviousNext

More from Functions

  • Let f(x)=(x+1)2−1,x≥−1 Statement - 1 : The set {x:f(x)=f−1(x)}={0,−1}. Statement - 2 : f is a bijection.2009 · MCQ
  • Let f:N→Y be a function defined as f(x) = 4x + 3 where Y = { y ∈ N, y = 4x + 3 for some x ∈ N }. Show that f is invertible and its inverse is2008 · MCQ
  • The largest interval lying in (−2π​,2π​) for which the function f(x)=4−x2+cos−1(2x​−1)+log(cosx), is defined, is2007 · MCQ
  • Let f:(−1,1)→B, be a function defined by f(x)=tan−11−x22x​, then f is both one-one and onto when B is the interval2005 · MCQ
  • A real valued function f(x) satisfies the functional equation f(x - y) = f(x)f(y) - f(a - x)f(a + y) where a is given constant and f(0) = 1, f(2a - x) is equal to2005 · MCQ
  • The graph of the function y = f(x) is symmetrical about the line x = 2, then2004 · MCQ
  • The range of the function f(x) = 7−xPx−3​ is2004 · MCQ
  • If f:R→S, defined by f(x)=sinx−3​cosx+1, is onto, then the interval of S is2004 · MCQ