MATH GRE 8767, #16

Forum for the GRE subject test in mathematics.
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MATH GRE 8767, #16

Postby Philochorus » Sun Aug 02, 2009 12:15 pm

Can someone explain #16 on math subject GRE 8767?


I found 8767 is on this website:

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Re: MATH GRE 8767, #16

Postby Nameless » Sun Aug 02, 2009 11:54 pm

so where you do not understand? for me , if you read what is given carefully the answer B is obvious -

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Re: MATH GRE 8767, #16

Postby zuluyankee » Thu Aug 06, 2009 11:55 am

The Mean Value Theorem for derivatives is in force in this question...

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Re: MATH GRE 8767, #16

Postby Swimguy112 » Wed Aug 12, 2009 11:47 am

The way that i solved it was drawing a diagram showing projectile motion, i.e. a parabola pointing down with x intercepts at p and q. B is the only answer that will work because it states that there is a tangent line between p and g on the parabola that will be also parallel to the points p and q. In this case it is the max of the parabola.

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