The functional relation between time t in (sec) and distance x, in (m), is t = 2x2 + 5x. The acceleration in m/s2 at t = 12 sec is:
1
\(\frac{-1}{\;121}\)
2
\(\frac{-4}{1331}\)
3
\(\frac{-4}{\;121}\)
4
\(\frac{4}{1331}\)
The functional relation between time t in (sec) and distance x, in (m), is t = 2x2 + 5x. The acceleration in m/s2 at t = 12 sec is: