The curve C C\,C has parametric equations
x=2t+1t+2y=4t−1t+20≤t≤4 x = \frac{2t + 1}{t + 2} \quad y = \frac{4t - 1}{t + 2} \quad 0 \leq t \leq 4 x=t+22t+1y=t+24t−10≤t≤4Show that C C\,C is part of a straight line.
Find the length of the line segment.