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The function f(x)=x^(3) +3x^(2) +4x+7 is...

The function `f(x)=x^(3) +3x^(2) +4x+7` is increasing for-

A

all real values of x

B

`x lt 0`

C

`x gt 0`

D

`x=0`

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The correct Answer is:
A
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 3
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  8. If PQ and PR are the two sides of a triangle, then the angle between ...

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  9. The function f(x)=x^(3) +3x^(2) +4x+7 is increasing for-

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  10. If x+y=60, x, y gt 0, then the maximum value of xy^(3) is-

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  11. The points of extrema of f(x)= int(0)^(x) (sin t)/(t)dt in the domain ...

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  12. If the function f(x)= 2x^(3)-9ax^(2) +12a^(2)x +1, where a gt 0 attai...

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  14. The maximum value of the function f(x)=3 cos x - 4 sin x is-

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  16. The surface area of a spherical bubble is increasing at the rate of ...

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  18. A function y=f(x) has a second order derivative f''(x)=6(x-1). If its ...

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