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If h(x)=5x^2+6 where -3 le x le 4, then ...

If `h(x)=5x^2+6` where `-3 le x le 4`, then the range of function `h` is given by

A

`-6 le h (x) le 86`

B

`6 le h(x) le 86`

C

`-86 le h(x) le 6`

D

none of these.

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The correct Answer is:
B
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
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  2. If g(x)=3-4x where -2 le x le 3, then the range of function g is given...

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  3. If h(x)=5x^2+6 where -3 le x le 4, then the range of function h is giv...

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  4. If f(x)=6-5x^2, where -4 le x le 5, then the range of the functionf is...

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  6. If phi(x)=x^2-6x+8 where x in R then the range of the function phi is ...

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  9. If the function f(x)=3x+a and g(x) =4x+9 are such that (g@g)(x)=(g@f)(...

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  13. If f(x)=1+2x and g(x) = x/2 , then: (f@g)(x)-(g@f)(x)=

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  14. If f(x)=x^2 and g(x)=x^2+1 then: (f@g)(x)=(g@f)(x)=

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  15. If y=f(x) is one-one onto function, then: (f^-1@f)(x)=

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  16. If y=f(x) is one-one onto function, then: (fof^-1)(y)=

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  19. If f((a x+b)/(x-a))=x, then f^(-1)(x)= (a) x (b) (bx+a)/(x-b) (c) f(...

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