Re: GRE math question
- From: William Elliot <marsh@xxxxxxxxxxxxxxxxxx>
- Date: Tue, 13 Sep 2005 00:51:53 -0700
On Tue, 13 Sep 2005, Eric wrote:
> 26. Let f be the function defined by
> f(x)= 1. –x^2+4x-2 if x<1, 2. –x^2+2 if x>=1
> which of the following statements about f is true?
> F has an absolute max at x=0
> F has an absolute max at x=1
> F has an absolute max at x=2
> F has no absolute max
> F has a local maxima at both x=0 and x=2
>
> 30. suppose B is a basis for a real vector space C of dimension greater than 1. Which of the following statements could be true?
> 1. The zero vector of C is an element of B.
> 2. B has a proper subset that spans V
> 3. B is a proper subset of a linearly independent subset of V.
> 4. There is a basis for C that is disjoint from B.
> 5. One of the vectors in B is a linear combination of the other vectors in B.
>
> 35. In xyz-space, an equation of the plance tangent to the surface z=e^(-x)siny at the point where x=0 and y=pi/2 is
> x+y=1
> x+z=1
> x-z=1
> y+z=1
> y-z=1
>
> 39.summation of k from 1 to infinity of k^2/k! =
> a. e
> b. 2e
> c. (e+1)(e-1)
> d. e^2
> e. infinity
>
> Can anyone please help me with these? Also, I am currently using the princeton review study guide and these questions are from the gre website. Does anyone happen to know any other good study guides for the math subject test?
>
.
- References:
- GRE math question
- From: Eric
- GRE math question
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