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Suppose that the temperature T at every ...

Suppose that the temperature T at every point (x,y) in the plane cartesian is given by the formula `T=1-x^(2)+2y^(2)`. The correct statement about the maximum and minimum temperature along the line x+y=1 is

A

Minimum is -1. There is no maximum

B

Maximum is -1. There is no minimum

C

Maximum is 0. Minimum is -1

D

There is neither a maximum nor a minimum along the line

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The correct Answer is:
A
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ARIHANT MATHS-FUNCTIONS-Exercise (Questions Asked In Previous 13 Years Exam)
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  19. If f:[1,infty) rarr [2,infty) is given by f(x)=x+1/x, " then " f^(-1)(...

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  20. Let f(x0=(1+b^(2))x^(2)+2bx+1 and let m(b) be the minimum value of f(x...

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  21. The domain of definition of function of f(x)=(log(2)(x+3))/(x^(2)+3x+2...

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