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The function f(x)=x^(2)+bx+c, where b an...

The function `f(x)=x^(2)+bx+c`, where b and c real constants, describes

A

one-to-one mapping

B

onto mapping

C

not one-to-one but onto mapping

D

neither one-to-one nor onto mapping

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2014-MULTIPLE CHOICE QUESTIONS
  1. The solution of the differential equation (dy)/(dx)=e^(y+x)+e^(y-x) is

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  2. Suppose that the equation f(x)=x^(2)+bx +c=0 has two distinct real ...

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  3. The function f(x)=x^(2)+bx+c, where b and c real constants, describes

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  4. Let n ge 2 bet an integer, A=((cos(2pi//n),sin(2pi//n),0),(-sin(2pi//n...

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  5. Ram is visiting a friend. Ram knows that his friend has 2 children ...

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  6. The value of the sum (""^(n)C(1))^(2)+(""^(n)C(2))^(2) +(""^(n)C(3))^(...

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  7. The remainder obtained when 1!+2!+3!+…+11! is divided by 12 is

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  8. Out of 7 consonants and 4 vowels, the number of words (not necessarily...

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  9. Let S=(2)/(1)""^(n)C(0)+(2^(2))/(2)""^(n)C(1)+(2^(3))/(3)""^(n)C(2)+…+...

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  10. Let RR be the set of all real numbers and f:[-1,1] to RR be defined by...

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  11. If a, b and c are positive numbers in a G.P., then the roots of th...

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  12. There is a group of 265 persons who like either singing or dancing o...

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  13. The range of the function y=3sin(sqrt((pi^(2))/(16)-x^(2))) is

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  14. The value of lim( x to 0) (int(0)^(x^(2)) cos(t^(2))dt)/(x sinx) is

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  15. Let f(x) be a differentiable function and f'(4)=5. Then lim(x to 2) (f...

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  16. The sum of the series sum(n=1)^(oo) sin((n !pi)/(720)) is

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  17. Let I denote the 3xx3 identity matrix and P be a matrix obtained by ...

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  18. The coefficient of x^(3) in the infinite series expansion of (2)/((1-x...

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  19. For every real number x, let f(x)=(x)/(1!)+(3)/(2!) x^(2)+(7)/(3!) x...

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  20. Let S denote the sum of the infinite series 1+(8)/(2!)+(21)/(3!) +(40...

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