The slope of the tangent to the curve x=...

The slope of the tangent to the curve `x=t^(2)+3t-8,y=2t^(2) -2t -5` at the point (2, -1), is

A

`6/7`

B

`-6/7`

C

`22/7`

D

`7/6`

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The correct Answer is:

A

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