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## Homework Statement

find the slope and concavity of the funtion at the given point.

x=t^2

Y=t^2+t+1

(0,0)

## Homework Equations

t=x^(1/2)

## The Attempt at a Solution

t=0 when x=0

x'=2t

y'=2t+1

M=2t/(2t+1)=0

for the second deritive would you take the deritive of 2t/(2t+1) devided by the deritive of 2t+1

once i find the second deritive i would plug in o for t and if it was + than it would be up -would be down. right?